Uncategorized
- Animals
Humpback whales use their flippers and bubble ‘nets’ to catch fish
A study reveals new details of how humpback whales hunt using their flippers and a whirl of bubbles to capture fish.
By Sofie Bates - Life
Extreme snowfall kept most plants and animals in one Arctic ecosystem from reproducing
A very snowy winter in 2018 left parts of Greenland covered well into the summer, causing an ecosystem-wide reproductive collapse in one area.
- Physics
Physicists have found quasiparticles that mimic hypothetical dark matter axions
These subatomic particles could make up dark matter in the cosmos. A mathematically similar phenomenon occurs in a solid material.
- Space
How the second known interstellar visitor makes ‘Oumuamua seem even odder
With its gaseous halo and tail, the second discovered interstellar object, 2I/Borisov, looks basically like your run-of-the-mill solar system comet.
- Science & Society
Economics Nobel goes to poverty-fighting science
Three scientists share the Nobel Memorial Prize in Economic Sciences for developing real-world interventions for tackling poverty.
By Bruce Bower - Health & Medicine
Nearly 1,300 injuries and 29 deaths in the U.S. have been tied to vaping
As the investigation continues, health officials expect multiple causes will be behind the ever-growing number of vaping-related lung injuries.
- Space
A supermassive black hole shredded a star and was caught in the act
Astronomers have gotten the earliest glimpse yet of a black hole ripping up a star, a process known as a tidal disruption event.
- Materials Science
A new cooling technique relies on untwisting coiled fibers
A “twist fridge” operates via twistocaloric cooling, a technique that generates cooling by unraveling twisted strands.
- Archaeology
Ancient European households combined the rich and poor
Homes combined “haves” and “have-nots” in a male-run system, suggests a study that challenges traditional views of ancient social stratification.
By Bruce Bower - Earth
50 years ago, an Antarctic fossil pointed to Gondwanaland’s existence
Fifty years ago, fossils from Antarctica helped seal the deal that the southern continents were once connected in one, giant landmass called Gondwanaland.
- Life
How tardigrades protect their DNA to defy death
Tardigrades encase their DNA in a cloud of protective protein to shield from damage by radiation or drying out.
- Earth
Too much groundwater pumping is draining many of the world’s rivers
Too much groundwater use could push over half of pumped watersheds past an ecological tipping point by 2050, compromising aquatic ecosystems worldwide.