News
- Astronomy
Supernova spotted shortly after explosion
Early observations of exploding star could indicate that stars become unstable as they near death.
- Oceans
Fleeting dead zones can muck with seafloor life for decades
Low-oxygen conditions can fundamentally disrupt seafloor ecosystems and increase carbon burial, new research shows.
- Health & Medicine
Ricin poisoning may one day be treatable with new antidote
Mice treated with a blend of antibodies survived even when treated days after exposure to ricin.
- Life
Horses buck evolutionary ideas
Horse evolution doesn’t fit classic scenario of trait evolution.
- Life
Malaria molecule makes blood extra-alluring to mosquitoes
Scientists have identified a molecule that draws mosquitoes to malaria-infected blood.
- Animals
Young penguins follow false food cues
Juvenile African penguins are being trapped in barren habitats, led astray by biological cues that are no longer reliable because of human activity.
- Genetics
Number of species depends how you count them
Genetic evidence alone may overestimate numbers of species, researchers warn.
- Astronomy
Middling black hole may be hiding in star cluster
A black hole with about 2,200 times the mass of the sun has been detected. If confirmed, it could represent a new type of gas-starved black holes and hint at how supermassive ones may form.
- Climate
Hot nests, not vanishing males, are bigger sea turtle threat
Climate change overheating sea turtle nestlings may be a greater danger than temperature-induced shifts in their sex ratios.
- Psychology
Long-lasting mental health isn’t normal
Those who stay mentally healthy from childhood to middle age are exceptions to the rule.
- Earth
Oxygen flooded Earth’s atmosphere earlier than thought
The Great Oxidation Event that enabled the eventual evolution of complex life began 100 million years earlier than once thought, new dating of South African rock suggests.
- Astronomy
Faint, distant galaxies may have driven early universe makeover
Gravitational lensing has revealed extremely faint galaxies in the early universe, suggesting these tiny galaxies were responsible for cosmic reionization.
