Uncategorized
- Astronomy
Voyager may not have entered interstellar space, after all
Two scientists argue that Voyager 1 space probe is still in solar bubble, despite NASA’s announcements to the contrary.
- Physics
Diamonds under pressure impersonate exoplanet cores
Scientists use lasers at the National Ignition Facility to squeeze diamonds to the extreme pressures found inside massive exoplanets.
- Plants
Wine corks may owe quality to gene activity
Discovery of genes that distinguish superior stoppers from inferior ones could help reverse recent global downturn in quality.
- Neuroscience
Electrode turns consciousness on and off
Woman lost awareness, though appeared awake, when her brain was stimulated near an area called the claustrum.
- Earth
Bird’s-eye views of the globe highlight avian trouble spots
Recent maps reveal trouble spots for the world’s imperiled birds.
- Life
Domesticated animals’ juvenile appearance tied to embryonic cells
Mild defects in embryonic cells could explain physical similarities along with tameness across domesticated species.
- Anthropology
Clovis people may have hunted elephant-like prey, not just mammoths
The ancient American Clovis culture started out hunting elephant-like animals well south of New World entry points, finds in Mexico suggest.
- Neuroscience
Heavy marijuana use may affect dopamine response
People who regularly smoke five joints a day had dampened reactions to the chemical messenger dopamine.
- Climate
Windblown dust may muck up regional climate predictions
Climate simulations don’t accurately portray the behavior of windblown dust, which may result in inaccurate regional forecasts.
- Paleontology
Baby mammoths died traumatic deaths
CT scans show that two young mammoths probably suffocated.
- Health & Medicine
HIV reemerges in ‘cured’ child
The discovery spotlights limits in detecting the clandestine germ and raises questions about whether HIV can ever truly be cured.
- Animals
Elephant shrews are, oddly, related to actual elephants
A new species in the group is the smallest yet, with adults smaller than a newborn kitten.
