Uncategorized
- Astronomy
Earth’s purported ‘nearest black hole’ isn’t a black hole
A disputed multiple-star system doesn’t have a black hole, as once reported, but is actually a missing piece in binary star evolution.
- Climate
How did we get here? The roots and impacts of the climate crisis
Over the last century and a half, scientists have built a strong case for the roots and impacts of human-caused climate change.
- Animals
The spongy moth’s new name replaces an ethnic slur
The Entomological Society of America renamed Lymantria dispar the “spongy moth,” replacing its previous problematic common name, “gypsy moth.”
- Archaeology
Ancient Homo sapiens took a talent for cultural creativity from Africa to Asia
Excavations at two sites continents apart show that Stone Age hominids got culturally inventive starting nearly 100,000 years ago.
- Earth
The mysterious Hiawatha crater in Greenland is 58 million years old
An impact crater spotted in 2015 in Greenland is far too old to be connected to the Younger Dryas cold snap from 13,000 years ago, a study suggests.
- Animals
Genetically modified mosquitoes could be tested in California soon
The EPA also OK’d more trials in Key West, Fla. Both states now get their say in whether to release free-flying Aedes aegypti to sabotage their own kind.
- Genetics
An extinct rat shows CRISPR’s limits for resurrecting species
Scientists recovered most of the Christmas Island rat’s genome. But the missing genes signal a problem for using gene editing to de-extinct species.
- Animals
Mirror beetles’ shiny bodies may not act as camouflage after all
Hundreds of handmade clay nubbins test the notion that a beetle’s metallic high gloss could confound predators. Birds pecked the lovely idea to death.
- Animals
Culturally prized mountain goats may be vanishing from Indigenous land in Canada
As fewer mountain goats are spotted along British Columbia’s central coast, First Nations people team up with biologists to assess the population.
- Paleontology
Scientists are arguing over the identity of a fossilized 10-armed creature
An ancient cephalopod fossil may be the oldest ancestor of octopuses, but the interpretation hinges on the identification of one feature.
- Astronomy
A new image captures enormous gas rings encircling an aging red star
The rings, seen for the first time, provide insight into how giant stars lose mass and seed the cosmos with elements.
- Physics
Russia’s war in Ukraine raises nuclear risks, physicists warn
Experts flag the potential for accidents at seized nuclear sites as well as the increased dangers of accidental nuclear warfare.
