Uncategorized
- Health & Medicine
Hallucinated voices’ attitudes vary with culture
Culture puts good or bad spin on voices heard by people with schizophrenia.
- Life
Imprisoning parasites can deter malaria’s spread
Disabling a protein traps malaria-causing parasites within red blood cells and prevents the organisms from reproducing.
- Planetary Science
Rosetta casts doubt on comets as Earth’s water providers
Water in comet 67P’s thin, hazy atmosphere doesn’t chemically match Earth’s oceans, suggesting that asteroids, not comets, brought water to the planet.
- Genetics
New type of stem cells, fuzzy and flexible
A new way to make stem cells produces fuzzy cells that appear as flexible as other types of stem cells, but are easier to grow in the lab and avoid ethical issues.
- Neuroscience
Molecule impairs brain cells that fail in Alzheimer’s
In mice, blocking a molecule on immune cells allowed them to mop up the type of protein buildup seen in the brains of people with Alzheimer’s.
- 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.
