Uncategorized
- Life
Oxytocin stimulates repair of old mice’s muscles
The naturally produced hormone oxytocin, well known for its role in social bonding, may help heal injured muscles in the elderly.
- Astronomy
Stopping starlight may bring other Earths into focus
Two new telescope concepts compete for NASA’s approval, in hopes of taking the first picture of a life-bearing exoplanet.
- Agriculture
Fertilizer produces far more greenhouse gas than expected
Farmers’ overuse of nitrogen-based fertilizers may explain previously puzzling high emissions of nitrous oxide.
- Astronomy
Hubble space telescope spies teenage galaxies
New Hubble telescope images show ultraviolet radiation from stars born during the universe’s adolescent phase.
- Neuroscience
Rats feel regret, experiment finds
When they turn down a good meal for a lesser one, rodents regret their choice, a study suggests.
- Materials Science
New invisibility cloak hides in the fog
A simple invisibility cloak relies on hazy environments to mask objects.
- Paleontology
Preserved pterosaur eggs hint at reptile’s social life
The first 3-D pterosaur eggs, which were found in China, suggest that the flying reptiles laid eggs together.
- Neuroscience
Stem cell approach for Parkinson’s disease gets boost
Postmortem study finds Parkinson’s patients can retain transplanted neurons for years.
- Astronomy
Galactic collision creates huge particle collider
New images reveal a jet of particles shooting out of a collision among four galaxy clusters.
- Neuroscience
Sleep strengthens some synapses
Mice show signs of stronger neuron connections when allowed to sleep after learning a trick.
- Planetary Science
Moon’s origins revealed in rocks’ chemistry
A new chemical measurement of rocks from Earth and from the moon supports the giant impact hypothesis, which explains how the moon formed billions of years ago.
- Genetics
Bromine found to be essential to animal life
Fruit flies deprived of the element bromine can’t make normal connective tissue that supports cells and either don’t hatch or die as larvae.
