Uncategorized
- Health & Medicine
Cells in groups may promote cancer’s spread
Cellular gangs, not individuals, form distant tumors from breast malignancies, a new study finds.
- Planetary Science
Martian crater was once filled with liquid water
Sandstone deposits on Mars indicate that Gale Crater, the Curiosity rover’s stomping ground, was once a lake fed by rivers.
- Chemistry
Early asteroid impacts may have aided life’s origin
RNA ingredients found in laser-induced simulation of explosions.
- Life
Softer surroundings stifle some chemotherapy drugs
Some anticancer drugs such as Gleevec are less effective when attacking cancer cells grown in soft surroundings.
- Astronomy
Radio burst from beyond Milky Way detected in real time
First real-time detection of radio burst from outside galaxy triggers worldwide hunt for cause of mysterious signals.
- Earth
Mineralogy’s link to ecology makes an Earth twin unlikely
Earth’s unique blend of minerals emerged with the evolution of life, making it extremely unlikely that another planet has Earth’s exact mineral composition.
- Climate
California drought worst in at least 1,200 years
The current California drought is the most severe in 1,200 years, according to historical information gleaned from tree rings.
- Health & Medicine
Fatty coat on cancer drugs protects the heart
Cancer drugs encased in a layer of fat reduce but don’t eliminate heart damage.
- Environment
Black carbon fouls New York subway stations
Black carbon, a respiratory irritant, fouls air in New York subway stations.
- Climate
Greenhouse gases may spell wet future for Africa
Greenhouse gases played a role in boosting rainfall in Africa 14,000 to 21,000 years ago, a finding that may help predict future abundance of water on the continent.
- Life
Electric eels remote-control nervous systems of prey
Electric eels’ high-voltage zaps turn a prey fish against itself, making it freeze in place or betray a hiding place.
- Planetary Science
Ancient moon’s mega magnetic field explained
Apollo-era moon rocks reveal ancient lunar magnetic field was at least as powerful as the one surrounding modern Earth.
