Uncategorized
- Climate
Climate-cooling aerosols can form from tree vapors
Climate-cooling, cloud-seeding aerosols can form in the atmosphere without the sulfuric acid spewed from fossil fuel burning, new research suggests.
- Life
Fruit fly’s giant sperm is quite an exaggeration
Giant sperm, about 20 times a male fruit fly’s body length, could make the insects the champs of supersized sexual ornaments.
By Susan Milius - Neuroscience
Alzheimer’s culprit may fight other diseases
A notorious Alzheimer’s villain may help bust microbes.
- Archaeology
Stone circles show Neandertals’ social, technical skills
Ancient human relatives built circular stalagmite structures inside a French cave.
By Bruce Bower - Planetary Science
Seismic experiment might reveal thickness of Europa’s ice
Crashing an empty rocket fuel tank into the surface of Jupiter’s icy moon, Europa, could help scientists figure out the thickness of the ice.
By Meghan Rosen - Astronomy
Return of superstar supernova raises doubt about its identity
The brightest supernova on record is back for round two, and might not be a supernova after all.
- Planetary Science
Space experts say sending humans to Mars worth the risk
At a meeting in Washington, NASA and aerospace reps discuss the hopes and hurdles of landing a crew on Mars by the 2030s.
- Physics
The center of Earth is younger than the outer surface
Einstein’s general theory of relativity predicts the center of the Earth is two years younger than the crust.
- Astronomy
Young sun’s super solar flares helped set early Earth up for life
Super solar flares may have provided early Earth with planet-warming and life-building molecules.
- Life
Scientists find way to break through bad bacteria’s defenses
Enzymes can break down bacterial biofilm’s sugary walls.
- Climate
Zapping clouds with lasers could tweak planet’s temperature
Breaking up the ice particles inside cirrus clouds could make them reflect more light, turning them into a tool to combat global warming.
- Tech
Insect-sized bot is first to both fly, land
A tiny aerial robot nicknamed RoboBee uses static electricity to perch on surfaces midflight. The landing device could one day help robots conserve energy during search and rescue missions.
By Meghan Rosen