Crystals of the mineral zircon are rugged enough to survive the most violent geologic events. Impurities within them provide a time capsule of planetary history.
April 14, 2021 • ~11 min
OPINION: We owe these early fighters a debt of gratitude for transforming our response to public health crises.
April 13, 2021 • ~7 min
The US effort to analyze viral genomes, slow to start, is now picking up speed
April 9, 2021 • ~13 min
OPINION: A neuroscientist says that he’s particularly worried about kids, who may have spent much of last year learning online. Some easy hacks can help.
April 9, 2021 • ~6 min
Hesitancy rates are falling but they’re still sizable, especially among certain groups. Easy access and trusted community messengers are keys to moving the needle.
March 31, 2021 • ~17 min
The purpose of play — for children, monkeys, rats or meerkats — has proved surprisingly hard to pin down. Scientists continue to toss around ideas.
March 30, 2021 • ~14 min
You can’t spot a liar just by looking — but psychologists are zeroing in on methods that might actually work
March 25, 2021 • ~16 min
Some lizard species do without males altogether. Scientists are studying these all-female species to see what they might reveal about the pros and cons of sex.
March 23, 2021 • ~12 min
Some serious cases of Covid-19 are linked with the immune system’s attack on the body it’s trying to protect
March 19, 2021 • ~11 min
Covid-19 has been a stress test for the world’s food supply chains — and a preview of looming threats. That’s making efforts to improve the journey from farm to fork more urgent than ever.
March 19, 2021 • ~20 min