News
- Animals
Peacocks sometimes fake mating hoots
Peacocks may have learned a benefit of deception by sounding their copulation calls even when no peahens are in sight.
- Neuroscience
Brain uses decision-making region to tell blue from green
Language and early visual areas of the brain are not crucial for distinguishing colors, an fMRI study suggests.
- Physics
Laser tweezers manipulate objects just 50 nanometers wide
Technique could allow scientists to move proteins, viruses and nanomaterials.
- Health & Medicine
Bereavement can take toll on health, not just emotions
In the month after a partner dies, spouse more prone to heart attack, stroke.
