Uncategorized
- Animals
Pectoral sandpipers go the distance, and then some
Even after a long migration, male pectoral sandpipers keep flying, adding 3,000 extra kilometers on quest for mates.
- Earth
Oxygen flooded Earth’s atmosphere earlier than thought
The Great Oxidation Event that enabled the eventual evolution of complex life began 100 million years earlier than once thought, new dating of South African rock suggests.
- Animals
For calmer chickens, bathe eggs in light
Shining light on incubating eggs leads to calmer adult chickens, a study suggests.
- Astronomy
Faint, distant galaxies may have driven early universe makeover
Gravitational lensing has revealed extremely faint galaxies in the early universe, suggesting these tiny galaxies were responsible for cosmic reionization.
- Animals
‘Cannibalism’ chronicles grisly science of eating your own
In "Cannibalism", a zoologist explores a grisly topic that scientists have only recently begun to study seriously.
- Neuroscience
Artist’s amnesia could help unlock mysteries of memory
In "The Perpetual Now", journalist Michael Lemonick looks at what an artist’s memory loss can teach neuroscientists about the brain.
- Anthropology
DNA points to millennia of stability in East Asian hunter-fisher population
Ancient hunter-gatherers in East Asia are remarkably similar, genetically, to modern people living in the area. Unlike what happened in Western Europe, this region might not have seen waves of farmers take over.
- Paleontology
Pinhead-sized sea creature was a bag with a mouth
Dozens of tiny fossils discovered in 540-million-year-old limestone represent the earliest known deuterostomes, a diverse group of animals that includes humans and sea cucumbers.
- Genetics
CRISPR used in cows to help fight tuberculosis
Chinese researchers used a CRISPR/Cas 9 gene editor to make cows more resistant to tuberculosis.
- Archaeology
Cow carved in stone paints picture of Europe’s early human culture
Stone Age engraving helps to illuminate European travels of an ancient human culture.
- Oceans
Cone snails wander in circles, lose focus with boosted CO2
Deadly cone snails wander in circles and become less capable hunters when exposed to higher levels of carbon dioxide in seawater.
- Cosmology
New data fuel debate on universe’s expansion rate
Quasar observations add to discrepancy in measurements of the universe’s expansion speed.
