 |
 |
|
|
|
|

|
|
|
|
|
 |
 | Stories for Students – Biology
|  |
 |
|
|
|
 |
 |
| Sept. 23, 2002 |
Fall Is in the Air Fall is officially here. Why do leaves change colors? How do poets describe autumn's splendid changes? Related Riverdeep activities: An Overview of Photosynthesis, Why Are Leaves Green?, Photosynthesis and Plant Adaptations Xcursion |
| Sept. 16, 2002 |
All Tied Up In Knots They're intricate, puzzling, beautiful, and often surprising. Explore why mathematicians and geneticists are so fascinated with knots. Related Riverdeep activities: DNA & Replication |
| Sept. 16, 2002 |
Genetics of Aging What can the lowly housefly teach your students about the genetics of aging? Find out in this article for the classroom. Related Riverdeep activities: Genes and Dominance |
| Sept. 9, 2002 |
Along the Food Chain It's a bug-eat-bug world. Learn more about the fragile importance of food chains in this article for the classroom. Related Riverdeep activities: Exploring Food Chains and Food Webs |
| Sept. 9, 2002 |
Life on Mars, Life on Earth Can Mars support life? Mounting evidence suggests that it can — or could at some point in its history. And some of that evidence is being found here on Earth. Related Riverdeep activities: Our Solar System Xcursion |
| Sept. 2, 2002 |
West Nile's Deadly Advance West Nile virus has marched across the United States. Is it a real threat? Let this comprehensive article written for the classroom guide your investigation. Related Riverdeep activities: Introducing a Virus, Data Displays, Exploring Bar Graphs, Snack-O-Gram |
| June 18, 2002 |
Wildfires This year's wildfire season has started aggressively with fierce blazes forcing thousands to evacuate their homes. Related Riverdeep activities: Energy Directions, Graphing Ordered Pairs, Health and the Respiratory System |
| May 20, 2002 |
Jelly Jewels They're almost too beautiful to be real, but some of the oceans' graceful jellies pack a powerful punch. Related Riverdeep activity: Human Circulatory System |
| May 6, 2002 |
To Bee or Not to Bee They've got a highly organized social scene and a busy working day. Meet nature's furry, striped pollinator, the bee. Related Riverdeep activity: Dominant and Recessive Traits |
| April 29, 2002 |
Building Better Tomatoes This article is designed for teachers to use in the classroom. As biologists engineer tomatoes to taste good year-round, you can investigate GM foods with your students. Related Riverdeep activities: DNA and Replication, Genetic Engineering |
| April 15, 2002 |
On the Run
It takes training and endurance to cross the finish line of the Boston Marathon. Find out more from four-time winner Bill Rodgers. Related Riverdeep activities: The Circulatory System and Health: The Effect of Exercise, Fitness and the Heart |
| March 4, 2002 |
The Importance of Insects This article is designed for teachers to use in the classroom. Without insects, life on Earth could not exist. We look at insects' eminent role in the ecosystem. Related Riverdeep activities: Exploring Food Chains and Food Webs, Population Growth Curve, Factors Affecting Population Growth, Carrying Capacity, Predator-Prey Relationships, Competition Between Two Species |
| March 4, 2002 |
Bug Medicine Leeches and maggots, healing treatments of yesteryear, make a comeback and find their way into modern medical science. Related Riverdeep activity: The Circulatory System |
| Feb. 4, 2002 |
Changing the Blueprint The heated debate over human cloning continues as the U.S. Senate tries to decide whether human cloning should be allowed for any reason. We look at the applications and ethics of cloning. Related Riverdeep activities: The Genetic Material, Genetic Engineering |
| Jan. 21, 2002 |
What the Nose Knows Fresh coffee, roses, hot dogs... how do our noses pick up so many different odors? Find out about all things olfactory — in the animal kingdom, too. Related Riverdeep activities: Graham's Law, Lenses and Vision |
| Jan. 21, 2002 |
Too Many Deer? Hunting makes for a controversial method of reigning in prosperous deer populations. With this article, designed for use in the classroom, teachers can discuss animal population management — the science and ethics — with their students. Related Riverdeep activities: Population Growth Curves, Factors Affecting Population Growth, Carrying Capacity, Predator-Prey Relationships |
| Dec. 17, 2001 |
Breathing Easy This article is written for teachers for use in the classroom. See how understanding asthma can give your students an interesting context for looking at the human respiratory system. Related Riverdeep activities: Health and the Respiratory System — Asthma and Emphysema |
| Dec. 10, 2001 |
Asteroid Watch Is Earth in danger of colliding with asteroids? Astronomers now tell us the risk is not as great as we once thought. Teachers can look at the risks and the science involved with this article designed especially for the classroom. Related Riverdeep activities: Potential and Kinetic Energy, Collisions, Reflections in a Plane Mirror, The Role of Light in Photosynthesis, Exploring Food Chains and Food Webs, Amplitude, Wavelength, and Frequency of Waves |
| Dec. 10, 2001 |
On the Other Hand There's more to being left-handed than just writing with your left hand. Related Riverdeep activity: What Is a Trait? |
| Dec. 3, 2001 |
Cloning Controversy No two fingerprints are alike. Could recent developments in human cloning change that? Investigate with this Riverdeep article, written for teachers for use in the classroom. Related Riverdeep activities: Principles of Genetics, Genetic Engineering, Molecular Biology (DNA) |
| Nov. 26, 2001 |
Flu Season Is Coming This article is for teachers, for use in the classroom. Flu season has arrived, and once again there is a shortage of vaccines. Related Riverdeep activities: Catching the Flu, Matrix Multiplication |
| Nov. 19, 2001 |
What's In a Name? This article is designed for classroom use. Learn how organisms, compounds, and celestial bodies get their names according to strict rules. Related Riverdeep activities: Chemical Nomenclature Tool, Cations and Anions, Binary Ionic Compounds, Ternary Ionic Compounds, Binary Molecular Compounds, Acids and Bases, Chemical Reactions as Equations Xcursion |
| Nov. 12, 2001 |
Reefs in Danger A recent study prompts the question: what dangers face the beautiful and vulnerable coral reefs of the world? Related Riverdeep activities: Photosynthesis and Light, Destination: Ocean |
| Nov. 5, 2001 |
Coming Ashore Why do dolphins and whales come ashore? A marine veterinarian helps us investigate the phenomenon of stranding. Related Riverdeep activities: Exploring Direct Variation, Whales Xcursion |
| Oct. 15, 2001 |
Sweet Dreams Recent studies may help scientists learn more about how dreams form. Related Riverdeep activities: Write for Your Life, Writing Trek, Blood Pressure and Circulation |
| Sept. 3, 2001 |
Wildfires 2001 This Teaching the News article provides information on wildfires and suggests activities for the teacher to use in the classroom concerning wildfires and the 2001 fire season. Related Riverdeep activities: Mastering Algebra 1 Course 1: Graphing Ordered Pairs, Energy Direction, Health and the Respiratory System: Asthma, Health and the Respiratory System: Emphysema |
| Sept. 3, 2001 |
Spider Engineering What exactly is spider silk, and what makes it so flexible and strong? Related Riverdeep activities: Genetic Engineering |
| August 27, 2001 |
The Power of Helios NASA has high hopes for its solar-powered aircraft. Related Riverdeep activities: The Role of Light in Photosynthesis, Light & Photosynthesis |
| July 30, 2001 |
Research Versus Animal Rights Explore the debate over the use of animals in medical research and write a persuasive essay in response. Related Riverdeep activities: Write for Your Life Persuasive Essay, Organization and Animal Testing Xcursion |
| July 23, 2001 |
Visit the Wetlands Take a virtual field trip to explore the wetlands and hear the debate over wetlands conservation. Related Riverdeep activities: Exploring Food Chains and Food Webs, Wonderful Wetlands Xcursion |
| July 16, 2001 |
The Price of AIDS Learn how AIDS is going to affect our global future in many ways. Related Riverdeep activities: Essentials of Percents, Factors Affecting Population Growth, Introducing a Virus |
| June 18, 2001 |
Wildlife Detective Work Learn how the children of Massachusetts are helping scientists classify all of the state's wildlife. Related Riverdeep activities: Carrying Capacity, Exploring Food Chains and Food Webs, Population Growth Curve, Factors Affecting Population Growth, Two Populations — What's the Difference?, Observing Population Growth, Modifying Population Growth, Effect of Food Supply, Competition between Two Species, Predator-Prey Relationships, An Overview of Photosynthesis |
| June 11 , 2001 |
Global Population Trends Flash forward 50 years. Will Earth be able to sustain the ever-growing human population? Related Riverdeep activities: Carrying Capacity, Exploring Food Chains and Food Webs, Population Growth Curve, Factors Affecting Population Growth, Two Populations — What's the Difference?, Observing Population Growth, Modifying Population Growth, Introducing a Virus, Effect of Food Supply, Historical Estimates of World Population, Determining Population Growth, Carrying Capacity and the Human Population Xcursion |
| May 7, 2001 |
Exploring Ecosystems Electronically Students around the world can take an online field trip to Montana's Glacier National Park. Related Riverdeep activities: Carrying Capacity, Exploring Food Chains and Food Webs, EarthScience Center's Global Warming Lab |
| April 11, 2001 |
Environmental Friend or Foe? Learn more about how some of Bush's policies may affect the environment. Related Riverdeep activity: EarthScience Center's Global Warming Lab |
| Apr 10, 2001 |
Smart Food As funny as it sounds, eating a nutritious lunch can change your life. |
|  |
 |
 |
 |
| Apr
2, 2001 |
Aquarium Architecture

Aquarium architect Peter Chermayeff incorporates elements from mathematics,
engineering, and the environment into his designs. |
| Mar
29, 2001 |
Artificial Heart: Take
Two
Researchers unveil the second manmade heart in history. Related
Riverdeep activities: Fitness and the Heart, the Cardiovascular
System and Health: Heart Disease |
| Mar
13, 2001 |
Fish Flee Farm
Environmentalists worry that the recent escape of 100,000 farm-raised
salmon in Maine may endanger the state's wild salmon population. Related
Riverdeep activities: Exploring Food Chains and Food Webs,
Population Growth Curve, Factors Affecting Population Growth, Predator-Prey
Relationships. |
| Mar
5, 2001 |
Milestones in DNA Research
Your students can learn more about genetics and the history of genetic
research leading up to the Human Genome project in this article for
the classroom. Riverdeep
activities: The Master Molecules, DNA and Replication, Genetic
Engineering, Recombinant DNA, The Human Genome Database |
| Mar
2, 2001 |
Manatees or Humanity?
The gentle and endangered manatee has only one know enemy human
beings. Related
Riverdeep activities: Predator-Prey Relationships, Two Competing
Populations, Competition between Two Species |
| Mar.
1, 2001 |
Corralling Mad Cow
Disease
Explore whether the United States is at risk of a mad cow epidemic.
|
| Feb.
21, 2001 |
The Science of
Creativity
Changing your perspective can help unlock creative genius. Related
Riverdeep activity: Fitness and the Heart |
| Feb.
20, 2001 |
The Wide World
of Jane Goodall
Widely considered the world's leading expert on animal behavior, Jane
Goodall has had a career that spans 40 years. |
| Feb.
8, 2001 |
Extinction of
a Species
The red colobus monkey recently became extinct, an event that raises
concerns for other primates around the world. Related
Riverdeep activities: Exploring Food Chains and Food Webs,
Carrying Capacity |
| Feb.
7, 2001 |
Sounding the Alarm
Noise pollution has become a way of life and a growing health problem.
Related
Riverdeep activity: Wave Energy vs. Amplitude |
| Feb.
5, 2001 |
Taking
a World View
Explorer Wade
Davis combines anthropology and botany into a career that spans
the globe. Related Riverdeep activities:
Destination Rainforest, Sun and Shade Plants
|
| Feb.
1, 2001 |
Panda Preservation
The arrival of
two giant pandas at the National Zoo has renewed attention on panda
survival worldwide. Related
Riverdeep activities: Exploring
Food Chains and Food Webs, Factors Affecting Population Growth, Talking
Walls |
| Jan.
18, 2001 |
The Far Side of
Science
A science humor publication proves that science fact can be a lot
stranger than science fiction. Related
Riverdeep activities: Dominant and Recessive Traits, Predator-Prey
Relationships, Enter Predator |
| Jan.
9, 2001 |
Cross-Species Transplants
Scientists continue
to debate using animal organs in humans.
Related Riverdeep activities:
Human
Genome Update, Mapping DNA |
| Jan.
2, 2001 |
Saving
an Underwater World
Sylvia Earle, marine biologist and underwater explorer, dedicates
herself to protecting the world under water. Related
Riverdeep activity: Factors Affecting Population Growth
|
| Dec.
18, 2000 |
Journey to the
Bottom of the Sea
Ocean
explorer Robert Ballard embarks on a new expedition to uncover the
ancient secrets of the Black Sea. Related
Riverdeep activity: EarthScience Center |
| Nov.
28, 2000 |
An Upstream Battle
The tearing down of dams across the country has provided salmon with
a new lease on life. Related
Riverdeep activity: Factors Affecting Population Growth
|
| Nov.
27, 2000 |
Reducing Smog
Mexico City has made significant strides in reducing urban smog, showing
that communities can work to make a difference in the quality of the
air they breathe. Related
Riverdeep activities: Inhalation and Exhalation, Gas Exchange,
Health and the Respiratory System: Asthma, Health and the Respiratory
System: Emphysema, Fueling Photosynthesis with Carbon Dioxide and
Water |
| Nov.
20, 2000 |
New Leads
against Food Poisoning
The combination of two high-tech toolsDNA fingerprinting and
a nationwide food poisoning networkenables health officials
to locate the source of food poisoning. Related
Riverdeep activity: DNA Fingerprinting |
| Nov.
13, 2000 |
Cool Off with
Algae
Scientists propose that fertilizing the ocean with iron may cause
more phytoplankton to grow, thereby counteracting global warming.
Related
Riverdeep activities: Limiting Factors I, Limiting Factors
II, Fueling Photosynthesis with Carbon Dioxide and Water |
| Nov.
8, 2000 |
Lead Poisoning: From
Beethoven to Ducks
A new study shows that Beethoven suffered from lead poisoning, which
now also affects wildlife. Related
Riverdeep activities: Functions of the Circulatory System,
Periodic Table Tool |
| Nov.
3, 2000 |
A World within
a World
The Biosphere 2 project is currently conducting research that examines
the effects of increased levels of CO 2 . Related
Riverdeep activity: Fueling Photosynthesis with Carbon Dioxide
and Water. Related
Riverdeep event: Going to Extremes |
| Oct.
18, 2000 |
The Dimensions
of Dyslexia
There have been recent strides in understanding the problems and anatomy
of the learning disability known as dyslexia. |
| Oct.
9, 2000 |
Exporting "Surplus"
Elephants
The elephants' changing habitats are making their survival more difficult.
Related
Riverdeep activities: Population Growth Curve, Carrying Capacity
|
| Oct.
2, 2000 |
Dating Ancient
Finds
National Geographic Explorer-in-Residence, Robert Ballard, finds evidence
that the Black Sea covers areas that were once inhabited. Related
Riverdeep activities: Periodic Table: An Introduction, Fueling
Photosynthesis with Carbon Dioxide and Water, Working with Powers,
The Mass Spectrometer |
| Sept.
29, 2000 |
The Monarch
Migration
Urban sprawl affects the monarch butterfly's winter habitats.
|
| Sept.
27, 2000 |
Ghost Roads Haunt
U.S. Forests
Roads illegally cut into forests around the country cause environmental
problems. Related
Riverdeep event: Into the Brazilian Rainforest |
| Sept.
18, 2000 |
The Year of
the Wildfires
The wildland acres going up in flames across America endanger communities
and ecosystems. Related
Riverdeep activities: Energy Directions, Health and the Respiratory
System: Asthma, Health and the Respiratory System: Emphysema, Graphing
Ordered Pairs |
| Sept.
14, 2000 |
Life without Trees
Increasing development destroys nature's "vacuum cleaners." Related
Riverdeep activities: What Is Photosynthesis?, An Overview
of Photosynthesis |
| Sept.
8, 2000 |
By Leaps and Bounds
From birth through adolescence, the body grows remarkably. Related
Riverdeep activity: Spurting Up |
| Sept.
5, 2000 |
Smart Food
Eating a nutritious lunch can change your life. |
| Aug.
18, 2000 |
Tracking
the West Nile Virus
Following the footsteps of a mysterious illness leads to an unexpectedand
seriousdiscovery. Related
Riverdeep activity: Introducing a Virus |
| Aug.
4, 2000 |
A Perilous
Journey
The population of the world's largest reptile is declining, but there's
some good news from the beaches of Trinidad. Related
Riverdeep activities: Factors Affecting Population Growth,
Population Growth Curve, Observing Population Growth |
| July
24, 2000 |
Everybody into
the Water
Clean-up efforts return the Charles River in Massachusetts to a safe
and clean boating and swimming haven. Related
Riverdeep activity: Design an Ecosystem |
| July
19, 2000 |
On the Road
to Machu Picchu
A 30-mile trek high in the Andes leads to an ancient Incan ceremonial
city. Related
Riverdeep activity: Acclimatization |
| July
5, 2000 |
New Hope for
Diabetics
Treatment for diabetes moves beyond insulin injections. Related
Riverdeep activity: The Circulatory System and Health: The
Effect of Exercise |
| June
21, 2000 |
Motorboats
vs. Manatees
Speed restrictions on motorboats may keep the endangered manatee population
safe. Related Riverdeep activities:
Momentum and Force, Collisions in One Dimension II |
|  |
 |
 |
 |
| June
19, 2000 |
Starving
Cancer
New cancer treatment shows promise in shrinking tumors. Related
Riverdeep activity: Blood Supply |
| June
15, 2000 |
Where Have
All the Sea Otters Gone?
Back from the brink of extinction, these creatures face new dangers.
Related
Riverdeep activities: Exploring Food Chains and Food Webs,
Enter Predator, Factors Affecting Population Growth |
| June
9, 2000 |
Setting Wildland
Fire Policy
Revised fire management strategies designed to protect the environment
spark debate. Related
Riverdeep activity: Energy Directions |
| June
8, 2000 |
The Future
of Frog Dissection
Learning about a frog's anatomy now can take place online. Related
Riverdeep activity: Heart Attack! |
| June
5, 2000 |
You
Are What You Eat
A report warns teens about eating too much junk food and helps them
calculate their body mass index. Related
Riverdeep activities: Blood Pressure and Circulation, Heart
Problems |
| May
25, 2000 |
Human Genome
Update
Unlocking the secrets contained in human DNA helps in the treatment
of disease.
Related Riverdeep activities: Mapping DNA, From Protein to
DNA, The Human Genome Database |
| May
15, 2000 |
Saving the
Sequoias
These natural giants receive federal recognition and protection. Related
Riverdeep activities: An Overview of Photosynthesis, The Role
of Light in Photosynthesis |
| May
11, 2000 |
Manatees
or Humanity?
These gentle sea mammals have no known enemies, except humans. Related
Riverdeep activities: Competition between Two Species, Two
Competing Populations |
| May
11, 2000 |
The Ivory
Ban
Countries compromise on an international ban on the trading of ivory.
Related
Riverdeep activity: Carrying Capacity |
| May
9, 2000 |
Deep-Diving
Dolphins
By observing dolphins on their deep-water dives, scientists are able
to understand more about oxygen use. Related
Riverdeep activities: Boyle's Law, Lung Capacity |
| May
3, 2000 |
Preventing
Lyme Disease
A serious tick-borne illness infects animals and humans alike. Related
Riverdeep activity: Cardiac Disorder |
| Apr.
24, 2000 |
Orcas in Our
Midst
Whales living in captivity face dangers, too. |
| Apr.
20, 2000 |
Going Solar
Harnessing the Sun's energy reduces our dependence on fossil fuels.
Related
Riverdeep activities: The Role of Light in Photosynthesis,
Light & Photosynthesis |
| Apr.
19, 2000 |
Hold the
Milk, Wheat, Eggs, and Soy
Certain foods cause allergic reactions in a percentage of the population.
Related
Riverdeep activities: The Mechanism of Breathing, Health and
the Respiratory System: Asthma |
| Apr.
18, 2000 |
Ups and
Downs for Grizzly Bears
A North American species faces threats from humans. Related
Riverdeep activities: Food Chains and Food Webs, DNA Fingerprinting,
Maintaining System Balance |
| Apr.
14, 2000 |
All Tied Up
in Knots
Untangle the language, math, and science of knots. Related
Riverdeep activity: DNA & Replication |
| Mar.
24, 2000 |
When Food
Bites Back
The bacteria or viruses that cause food poisoning hide, then attack.
|
| Mar.
14, 2000 |
America
Debates Genetically Modified Food
Concerns abound in the farming and scientific communities about the
advantages and disadvantages of genetically modified foods. Related
Riverdeep activity: Genetic Engineering |
| Mar.
7, 2000 |
Warming
the Food Web
Global warming disrupts hibernation and migration patterns. Related
Riverdeep activities: Exploring Food Chains and Food Webs,
Predator-Prey Relationships |
| Feb.
28, 2000 |
Saving a
Part of Brazil
Developers and environmentalists compete for an Iowa-sized piece of
Brazil. Related
Riverdeep activities: Exploring Food Chains and Food Webs,
Factors Affecting Population Growth, Competition between Two Species.
Related
Riverdeep event: Into the Brazilian Rainforest |
| Feb.
10, 2000 |
Supercomputer
Sleuth: Tracking the Eve Virus
Scientists trace the origins of the virus that causes AIDS. Related
Riverdeep activities: Mutant Music, Natural Mutations
|
| Feb.
10, 2000 |
You Light Up
My Life
Winter affects mood, appetite, and personality, but where there's
light, there's hope. Related
Riverdeep activity: The Role of Light in Photosynthesis
|
| Feb.
9, 2000 |
Lawsuit
Blames Home Pesticide for Ills
Persistent health problems result when home is no longer a safe haven.
Related
Riverdeep activities: Gas Exchange, Flow of the Blood, Natural
Mutations, Chemical Mutagens |
| Feb.
4, 2000 |
Infectious Diseases
among Wildlife
Animals are infected by a growing number of microorganisms.
|
| Jan.
26, 2000 |
Iguanas
Fit Their Shrinking Food Supply
Marine reptiles on the Galapagos Islands adapt to changes in their
food supply. Related
Riverdeep activity: Eating Efficiently, Survival Strategies,
Environmental Changes |
| Jan.
12, 2000 |
Happy Anniversary,
NOAA
Agencies of the National Oceanographic and Atmospheric Administration
monitor weather, assess climate changes, and study the environment.
Related
Riverdeep activities: Fueling Photosynthesis with Carbon Dioxide
and Water, Carbon Dioxide, Defining Mean & Median, Calculating
the Mean, Median & Mode, EarthScience Center: Hurricane Lab
|
| Jan.
7, 2000 |
Dilemmas
of the New Genetics
An active GRPR gene may increase the susceptibility to lung cancer.
Related
Riverdeep activities: Genetic Code, Genetic Engineering (introductory),
Genetic Engineering (advanced), The Human Genome Database
|
| Jan.
6, 2000 |
Mapping
Global Warming
Numerous environmental organizations publish a map indicating the
"fingerprints" and "harbingers" of global warming. Related
Riverdeep activities: Global Warming, EarthScience Center
|
| Jan.
6, 2000 |
White Rhinos
Rebound from Extinction
Rhinos face extinction in certain African countries, but in one South
African game reserve, the population is on the rise. Related
Riverdeep activities: Maintaining System Balance, Competition
Pressure |
| Jan.
3, 2000 |
Global
Celebrations Greet 2000
Global revelers party to ring in the millennium and leave behind more
than tons of confetti. |
| Dec.
20, 1999 |
Importing Natural
Enemies for Fire Ants
Introducing natural predators controls a menacing population of fire
ants. Related
Riverdeep activities: S and J Curves, Introducing a Virus,
Effect of Food Supply |
| June
4, 1999 |
GM Foods
Called "Frankenstein" foods, genetically modified foods hold promise,
but spark concern. Related
Riverdeep activities: Genetic Engineering, Chemical Mutagens
|
|  |
 |
|
|
|
|
|
| |
|
| © 2007 Riverdeep Interactive Learning Limited. All rights reserved. |
|