Heredity: Inheritance and Variation of Traits
- Animals
When a species can’t stand the heat
When temperatures rise, New Zealand’s tuatara produce more males. With global warming, that could leave the ancient reptile species with too few females to avoid going extinct.
- Health & Medicine
Teen uncovers new weapons to stop Huntington’s disease
David Seong, an Intel Science Talent Search finalist, is studying how tiny pieces of genetic material might be used to lock up a dangerous protein in Huntington’s disease.
- Health & Medicine
Simple test for cancer and heart disease
Disease diagnosis often requires expensive equipment and tests to probe deep inside the body. But a new test relies on a fast, cheap and easy technique. And its answers appear on a strip of paper — just as they do on a pregnancy test.
- Brain
Why boys face higher autism risk
Boys develop autism at four times the rate seen in girls. Girls’ genes are better protected from the mutations linked to this brain disorder, data now suggest.
- Life
Caught in the act
Scientists observe some evolutionary speed demons as they adapt over the course of just a few years to new environmental conditions.
- Animals
Churk: Not for Thanksgiving
Here’s what happens when livestock breeders cross a chicken and a turkey
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- Animals
Deep-down worm is far out
New worm discovered almost a mile underground could hint at life on other planets.
- Health & Medicine
New source for healthy fats
Scientists found a way to produce fish oil without harming a single fish.
- Animals
Awake at Night
Mutant fruit flies can get by with less sleep than these insects normally need.
- Genetics
A butterfly’s new green glow
Scientists have tweaked a butterfly's genes to make its eyes glow green.
- Genetics
Animal clones: Double trouble?
From agriculture to medicine to law, animal cloning to create genetic twins could change our lives.
