Humans
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- Health & Medicine
Opening a Channel for Tasting Salt
Scientists may be a step closer to explaining people's fondness for salty snacks.
By Emily Sohn - Tech
Cell phones and possible health hazards
Radiation from some cell phones appears to kill brain cells in rats.
By Emily Sohn - Animals
Booby brothers and bullies
Baby brown boobies can be pretty rough and tough in the nest.
By Emily Sohn - Health & Medicine
Sleeping Soundly for a Longer Life
People who have trouble falling or staying asleep may be more likely to die sooner from natural causes compared to those who sleep well.
By Emily Sohn - Health & Medicine
Tapeworms and drug delivery
Scientists are learning from tapeworms how to develop more effective medicines.
By Emily Sohn - Humans
Digging for ancient DNA
Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.
By Emily Sohn - Health & Medicine
A framework for growing bone
A promising new material could help encourage damaged or broken bones to grow back.
By Emily Sohn - Health & Medicine
Remembering Facts and Feelings
An inner-brain region called the hippocampus may be the root of memory of both experiences and fact.
By Emily Sohn - Health & Medicine
Sea Kids See Clearly Underwater
Sea-gypsy children spend so much time swimming that their eyes have adapted to improve vision underwater.
By Emily Sohn - Health & Medicine
Gut germs to the rescue
Many of the bacteria that live in our intestines may help keep us healthy.
By Emily Sohn - Humans
Fossil skulls plug gap in human origins
Anthropologists have unearthed the oldest fossils of modern people ever found.
By Emily Sohn