News
- Health & Medicine
Racial homogeneity in early childhood may affect brain
In lab study, kids who lived in single-race orphanages have difficulty interpreting emotions on faces with foreign features.
- Psychology
Ratio for a good life exposed as ‘nonsense’
A heralded calculation of people’s ability to flourish is a mathematical mirage, researchers say.
- Humans
DNA reveals details of the peopling of the Americas
Migrants came in three distinct waves that interbred once in the New World.
- Earth
Emissions could fuel global warming for millennia
Climate simulation projects effects of greenhouse gases farther into the future than ever before.
- Tech
Hybrid race car of transistors debuts
A new transistor combines the essential features of high speed and low energy consumption.
- Health & Medicine
Vaccine protects against malaria in early test
A series of shots enables volunteers to fend off a live infection by the disease-causing parasite.
- Neuroscience
Caffeine shakes up growing mouse brains
When pregnant mice consumed caffeine, their offspring had altered neurons and faulty memory.
- Science & Society
HeLa genome offers clues to cells’ cancerous nature
The genetic sequence is published along with an agreement to protect the privacy of the family of the cells’ provider, Henrietta Lacks.
- Science & Society
Flu researchers plan to repeat controversial work
The scientists who made the H5N1 strain transmissible between ferrets intend to do the same with H7N9.
- Animals
Climate change may bring dramatic behavior shifts
Shifting temperatures and rainfall are expected to alter animal lifestyles from the poles to the tropics.
- Life
Evolution of mammalian monogamy remains mysterious
Two large studies reach opposing conclusions about why males stay with females.
- Physics
Doppler effect takes a spin
Light’s twistiness allows researchers to measure rotating object’s speed.
