27 articles from SATURDAY 4.11.2023

Can we eat our way through an exploding sea urchin problem?

Longspined sea urchins are native to temperate waters around New South Wales. But as oceans heat up, their range has expanded more than 650km, through eastern Victoria and south to Tasmania. Their numbers are exploding in the process, clear-felling kelp forests and leaving "urchin barrens" behind.

Understanding all kinds of English accents can improve empathy and learning—and even be a matter of life and death

In a 2019 sketch from the US late-night comedy show Saturday Night Live (SNL), the actor James McAvoy plays a Scottish air traffic controller attempting to help a US brand integration manager (Mikey Day) land a plane in distress, because the pilot has been knocked unconscious. The fact that Day's character is not a pilot only partly explains why the mayday call is not a success. McAvoy lays on...

Ken Mattingly, Astronaut Who Helped Save Apollo 13 Crew, Dies at 87

LOS ANGELES — Ken Mattingly, an astronaut who is best remembered for his efforts on the ground that helped bring the damaged Apollo 13 spacecraft safely back to Earth, has died, NASA announced. He was 87. “We lost one of our country’s heroes on Oct. 31,” NASA Administrator Bill Nelson said in a statement. [time-brightcove not-tgx=”true”] Thomas...

Take an interstellar tour: what would you see if you could travel around our galaxy?

An imaginary starship trip beyond the solar system to the edge of the Milky Way offers new perspectives on the wonders of spaceAstronomy and cosmology can feel detached from everyday reality. But what if we could take a 23rd-century starship tour through the Milky Way and experience the cosmos like an Earth-bound tourist visiting exotic destinations? What would we see from our window?Although...

Saturday Citations: Moon origins, rat whimsy, microgravity orientation. Plus: Starfish are bodiless heads, it turns out

Good morrow and a cheerful week's end to you. This week, we reported on notable developments in the lack of starfish body development. Physicists used a new method to revisit the planetary collision that likely formed the moon and might have found chunks of doomed planet Theia deep in the Earth's mantle. And in experiments, rats, as seen in the subway, are demonstrating the power of imagination,...

If we could talk to the animals: scientists turn to AI for help

Artificial intelligence being used to unpick meanings behind vocal and physical cues of host of creaturesIf an unexpected meow, peculiar pose, or unusual twitch of the whiskers leaves you puzzling over what your cat is trying to tell you, artificial intelligence may soon be able to translate.Scientists are turning to new technology to unpick the meanings behind the vocal and physical cues of a...

The Biggest Myths About Motherhood in the Animal Kingdom

My closest brush with motherhood was an intense 24 hours fostering an orphaned baby owl monkey in the Peruvian Amazon in 2009. According to Charles Darwin, my maternal drive should have transformed me into an intuitively wise and selfless nurse. But the truth was I felt quite traumatized—fretful, exhausted, and for the sake of my defiled and defecated hair alone (the baby was happiest...