Fat Feedback
Fat cells communicate with the brain to regulate how much we burn.
Aging Proteins
Research in rodents suggests that some animals' proteins are more resistant to age-related stress.
Evolution of Conscience
Hunting and gathering in pre-historic times may have led to the evolution of the conscience.
Perception Roundup
Scientists make advances in the understanding of synesthesia, a condition in which different senses are mixed up in the brain.
Infant Rhythm
Newborn babies can sense when a musical rhythm goes off the beat.
Nano-Submarines
Tiny "submarines" made from biological materials could deliver drugs to specific sites in the body.
Mosquito Duets
Mosquitoes tune their voices to one another during courtship.
Storing Wind Energy
Engineers have developed a new way to make wind power more reliable.
Prehistoric Roundup
A newly discovered fossil reveals a warmer climate in the past.
Emerging Infections
New global diseases are emerging faster than at any other time in human history.
Behind Kissing
The evolutionary roots of kissing are a bit less romantic than you might think.
Behind Kissing
The evolutionary roots of kissing are a bit less romantic than you might think.
Diet Evolution
The dawn of agriculture ushered in a surprisingly unhealthy era for humans.
Immune Roundup
A newly discovered blood protein could help researchers understand auto-immune diseases.
Space Ornithology
Finding better ways to track migrating animals could help predict and slow the spread of disease.
Common Cold Cures
Researchers tease out what really works and what doesn't when it comes to managing your cold.
Anti-Androgens
Pollutants in water inhibit male hormones, causing infertility in fish – and potentially, in humans.
Polarized Mirages
Insects and other animals may mistake shiny, hard surfaces for water, disrupting their life cycle.