Mario Palma’s colleagues told him he was “nuts” for thinking spider webs were toxic. https://t.co/tsHJ9GDdDO

The good news: There are more emperor penguins than we thought. The bad news: Many newly discovered colonies are in places vulnerable to climate change. https://t.co/E8EuWdV5Vk

Tuatara left their scaly lizard and snake cousins behind before dinosaurs first evolved.  https://t.co/6w57fF2skR

Mollusk researchers see the shelled critters as the uncelebrated heroes of the world’s rivers. But golden riffleshells are on the brink of extinction. #longreads
 https://t.co/Tv9gZxXLvC

Overhauling playgrounds can do more than make them prettier. They can turbocharge kids’ recess activity. #longreads
 https://t.co/yBeG8L6r4H

Reopening schools during a pandemic will be a massive collection of experiments, carried out by thousands of school districts making decisions independently. https://t.co/KhPOoWQkTg

Perseverance’s Mars mission is a big one. Fortunately, it’s packing a lot of powerful tools to get the job done.   https://t.co/ZCAROMS0Al

The immune systems of people with severe cases of COVID-19 are throwing everything at the virus, including weapons against worms and allergens.  https://t.co/96AmGWVO30

$1.5 billion. That’s how much native bees add to yields of six U.S. crops by pollinating them. https://t.co/a39VL32Kxf

NASA’s latest rover will collect rocks and study the weather on the Red Planet. To do that, it’s going to need a lot of tools.
 https://t.co/ZCAROMS0Al

Ammonia in the atmosphere could act as antifreeze. https://t.co/SQZlCPLeBL

Key greenhouse gases fell by about 30 percent, on average, in April due to coronavirus shutdowns. https://t.co/ogPYe1clhP

Those who study and try to save mussels feel an irresistible calling. “It’s an addiction ... that becomes a passion.” #longreads https://t.co/Tv9gZxXLvC

“It’s going to feel like we’re actually there, riding along with Perseverance on the way down.” https://t.co/pTx3pmKoU0

Using satellite images of penguin poop, researchers now think there are 61 total emperor penguin colonies in Antarctica. https://t.co/E8EuWdV5Vk

Mother Nature is really giving 2020 all she’s got. https://t.co/Z7BjJWAcjc

Whether, and how, children should return to school in the U.S. is up for debate. https://t.co/KhPOoWQkTg

The “Mpemba effect” — when hot water freezes faster than cold — might not be unique to water. https://t.co/RBJus4G2IX

Scientists have sequenced the genome of the tuatara to better understand the evolution of reptiles. https://t.co/6w57fF2skR

How do sperm swim? It’s not the way you think.
 https://t.co/JCpqw3KhUc