Comfort Food Hormone
A hormone called ghrelin is a key part of how stress triggers mice to seek out fatty food.
Science Update
Bat Navigation
Bats have tiny hairs on their wings that help them maneuver in complete darkness.
Neurons from Skin
Two teams of scientists have converted skin cells directly into neurons.
Promiscuous Finches
Promiscuity-related genes in finches may exist to exist solely to benefit males.
Double Dolphin Sonar
Using precision instruments, scientists have discovered a second dolphin echolocation signal …
Waste Heat Cooling
A prototype cooling system runs on waste heat from car exhaust.
Theta Waves
A type of spontaneous brain activity seems to create favorable conditions for remembering things.
Kids & Pet Allergies
A new study suggests that babies exposed to pets in the home are less likely to develop allergies to …