Uncategorized
- Paleontology
Readers weigh in on dinos, dark matter and more
Ancient bird calls, the search for dark matter and more in reader feedback.
- Computing
Retracted result on network equivalence reinstated
Graph isomorphism result still stands, despite error.
- Earth
Evidence falls into place for once and future supercontinents
Shifting landmasses have repeatedly reshaped Earth’s surface. Researchers piecing together the past are now picturing a new supercontinent, due in 250 million years.
- Astronomy
Milky Way’s black hole may hurl galactic spitballs our way
Gas blobs formed in the wake of stars shredded by the black hole in the center of the galaxy could pass within several hundred light-years of Earth on their way to intergalactic space.
- Particle Physics
Dark matter still missing
The XENON100 experiment found no evidence of an annually varying dark matter signal.
- Chemistry
Better batteries charge forward
Next-generation batteries must hold more energy for longer periods at low cost. Several contenders may achieve some of these elusive goals.
- Astronomy
Earliest galaxies got the green light
Galaxies in the early universe might have emitted lots of green light, powered by large populations of stars much hotter than most found today.
- Earth
Antarctic ice shelf heading toward collapse
A fast-growing crack in Antarctica’s Larsen C ice shelf could soon break off a 5,000-square-kilometer hunk of ice into the ocean.
- Physics
New form of hydrogen created
Scientists have created negatively charged clusters of hydrogen for the first time.
- Planetary Science
Many tiny moons came together to form moon, simulations suggest
Earth’s moon formed from mini-moons generated by a series of medium to large impacts, rather than from one colossal collision, researchers propose
- Physics
‘Time Travel’ tours a fascinating fiction
James Gleick’s entertaining book Time Travel focuses more on fantasy than real science.
- Animals
‘Furry Logic’ showcases how animals exploit physics
"Furry Logic" explores how animals rely on the laws of physics in pursuit of food, sex and survival.
