Humans

Health & Medicine

Turning to Sweets, Fats to Calm the Brain

Constant worries may drive people to eat sweet and fatty foods that can soothe the brain.

Humans

Ancient art on the rocks

Hand imprints and matchstick figures found in a Borneo cave were made 10,000 years ago.

Animals

Delivering a little snake venom

Poisonous snakes may control the amount of venom that they inject.

Humans

Of Lice and Old Clothes

The history of lice hints that people started wearing clothes regularly about 70,000 years ago.

Humans

A human migration fueled by dung?

When people crossed from Asia to the Americas thousands of years ago, burning dung may have kept them warm.

Health & Medicine

Speedy Gene Gives Runners a Boost

A gene known as ACTN3 may influence whether athletes are better suited to sprinting or to endurance running.

Animals

Navigating by the light of the moon

A dung beetle is the first animal found to navigate by detecting a property of moonlight.

Health & Medicine

Opening a Channel for Tasting Salt

Scientists may be a step closer to explaining people's fondness for salty snacks.

Tech

Cell phones and possible health hazards

Radiation from some cell phones appears to kill brain cells in rats.

Animals

Booby brothers and bullies

Baby brown boobies can be pretty rough and tough in the nest.

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.

Health & Medicine

Tapeworms and drug delivery

Scientists are learning from tapeworms how to develop more effective medicines.