Uncategorized
- Paleontology
Ancient microbe fossils show earliest evidence of shell making
Armor-plated, 809-million-year-old fossilized microbes discovered in Canada are the oldest known evidence of shell making.
- Astronomy
Solar system sits within major spiral arm of Milky Way
The solar system appears to live in one of the major spiral arms of the Milky Way, not in an offshoot as previously thought.
- Animals
New case emerging for Culex mosquito as unexpected Zika spreader
The much-debated proposal that a Culex mosquito could help spread Zika gets some international support.
By Susan Milius - Animals
Barnacles track whale migration
The mix of oxygen isotopes in the shells of barnacles that latch on to baleen whales may divulge how whale migration routes have changed over millions of years.
- Tech
Wi-Fi can help house distinguish between members
Using Wi-Fi, computers could one day identify individual family members in a smart home.
- Planetary Science
Europa spouting off again
Plumes of presumably water erupt from the surface of Jupiter’s frozen moon Europa, in images taken by the Hubble Space Telescope.
- Climate
Methane didn’t warm ancient Earth, new simulations suggest
Scarce oxygen and abundant sulfate prevented methane from accumulating enough to keep Earth warm hundreds of millions of years ago, reviving the faint young sun paradox.
- Planetary Science
Mercury’s surface still changing
A population of small cliffs on Mercury suggests that the planet might have been tectonically active in the last 50 million years.
- Archaeology
Ancient Maya codex not fake, new analysis claims
New report suggests an ancient Maya text — the bark-paper Grolier Codex — could be the oldest known document in Americas.
By Bruce Bower - Health & Medicine
Sugar industry sought to sugarcoat causes of heart disease
Sugar industry has long, sweet history of influencing science.
By Laura Beil - Earth
Nuclear blasts, other human activity signal new epoch, group argues
A group of scientists will formally propose the human-defined Anthropocene as a new epoch in Earth’s geologic history within a few years, probably pegging the start date to nuclear tests.
- Genetics
New era of human embryo gene editing begins
Gene editing of viable human embryos is happening, in and out of the public eye.