Find by Interest Health
AIDS in Perspective
Click through six world maps, each of which tells a
different, yet equally sobering story about the worldwide
magnitude of AIDS, and those who are affected.
Anatomy of Childbirth
Review the three stages of having a baby as well as
some of the risks women face.
Anatomy of a Cigarette
Take a close look at a clickable conventional
cigarette, and compare it to recent attempts to create a
"safer" cigarette.
Bacteria Talk
In this interview, Bassler describes the 600 species of
bacteria on your teeth each morning, and much more. Hear the
audio highlights or read the full interview.
Be a Demographer
Play a matching game to see how demographic data
reflects and shapes the future of the U.S. and three other
countries.
Body Breakdowns
Click on different parts of a climber's body to
discover what people experience at high altitudes.
Body Needs
Click on an illustration of body parts, a list of
nutrients, or food types to see what the body needs to
function best.
Brain Geography
Learn how to model a brain and find out more about the
cerebellum, spinal cord, brain stem, and cerebral cortex.
Build a Family Tree (Men Only)
Both sexes can use this interactive feature that lets
you use DNA information from the Y chromosome to complete a
male family tree.
Disease Detective
Trace the outbreak of a mysterious illness, "dizzy
fever," to its source.
Fertility Throughout Life
Explore the complex nature of our changing fertility
from infancy to old age.
Fighting Back
Enter the immune system and work to eliminate a mumps
virus that has invaded the body.
Gene Switches
Not all switches are epigenetic. As this slide show
reveals, some are genetic—and amazingly powerful.
Global Trends Quiz
Test your understanding of the population trends and
environmental challenges facing nations around the world.
Guess What's Coming to Dinner?
Click on a table full of genetically modified foods and
find out how biotechnology is changing what we eat.
Hazards of Diving Deep
Scuba diving to 230 feet is extremely perilous, even
for professional divers. Take a virtual dive to the wreck of
U-869 and learn about the threats deep divers face.
Healthy Old Age
Find out what all the hoopla is about SIR2 and how it
can slow down aging, at least in yeast.
History of Biowarfare
Agents of disease have been used as weapons of terror
for centuries, long before scientists knew how germs spread
illness. Review the past—and the unfolding—history
of biowarfare and bioterrorism.
How Cancer Grows
Follow the growth of a carcinoma from initial mutation
to widespread metastasis.
Making Vaccines
The world's first vaccine, invented in 1796, used
pustules from diseased cows to protect humans from smallpox.
Find out how six different types of vaccines are made today.
Map of the Human Heart
Put your finger on the pulse of how the human heart
works with an automatically changing color graphic of a heart
in cross-section.
Medicine Through Time
Learn how physicians over the past century would have
handled three afflictions: infection, kidney failure, and
diabetes.
Military Medicine Through Time
In this interactive, try to identify what you're seeing
in medically related photos from the Civil War to the Iraq
War.
Nature's Pharmacy
In this slide show, see wild species that gave rise to
penicillin, morphine, and other medications.
Operation: Heart Transplant
As the heart surgeon in a NOVA virtual operating
theater, it's your job to cut out an old heart and replace it
with a new one.
Probe the Brain
Use an electric probe to map the motor cortex, the area
of the brain responsible for controlling body movement.
Results of Death-Camp Experiments: Should They Be
Used?
Should researchers be able to make use of the findings
from Nazi medical experiments on concentration-camp inmates?
Form your own opinion in this ethical provocation. Caution:
This feature may not be suitable for children.
Reviving the Virus
Was it justified? In this interactive poll, explore
arguments for and against, then vote online.
Tale of Two Mice, A
In this audio slide show, hear how the epigenome can
make identical-twin mice appear so different.
Test Yourself
Take the very same tests given to climbers on Everest
to assess their mental abilities as they ascended into the
thin air atop the world's highest mountain.
Two Worlds
In this quiz, see how women in rich and poor countries
face very different realities when it comes to childbearing
and maternal health.
Windows on the Womb
Explore the currently available diagnostic and
screening techniques that are changing the nature of both
pregnancy and parenthood.