News
- Life
Lone Star cats rescue cousins in Sunshine State
Florida panther numbers have tripled since the introduction of females from Texas injected vital genetic diversity, a new report says.
By Susan Milius - Tech
Everything really is relative
Two tabletop experiments demonstrate the time-warping principle at the human scale.
- Earth
Gulf spill may have been somewhat bigger than feds, BP estimated
Researchers estimate the oil output using a new technique developed for measuring the output of marine hydrothermal vents.
By Janet Raloff - Life
X-rays in 3-D show nanosized details
A new X-ray microscope technique peers inside materials to reveal their inner nature.
- Humans
Clues to child sacrifices found in Inca building
Children killed in elaborate rituals were drawn from all over the South American empire, new research suggests.
By Bruce Bower - Health & Medicine
Main malaria parasite came to humans from gorillas, not chimps
Using DNA from fecal samples, researchers show that the infection was not passed to Homo sapiens by its closest primate relative.
- Health & Medicine
Vital flaw
Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.
- Life
Flies off-kilter
In a newly described species, some males have one limb bigger than the other.
By Susan Milius - Health & Medicine
Enzyme might underlie some stroke damage
Inhibiting NOX4 in mice limits brain injury, tests show.
By Nathan Seppa - Planetary Science
Life’s cold start
Primordial molecules could have replicated themselves in a slushy place, new experiments suggest.
- Tech
A compass that lights the way
Researchers develop a highly sensitive optical instrument for measuring magnetic fields.
- Health & Medicine
Obesity in children linked to common cold virus
Exposure to adenovirus-36 may partly explain why kids are getting heavier, a new study suggests.