Some Parents Say It’s Time to Reopen Schools

Shalyse Olson knows there are risks associated with sending her children back to school during the coronavirus pandemic, but the mother of four in Salem, Oregon says virtual learning “has been nothing but frustrating and sad.”

That’s why she is among parents in several school districts around the country who are demanding a return to in-person, the latest escalation in t…

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These Fossils Preserved in Opal Are a Gorgeous, Iridescent Window Into the Past. Scientists Are Fighting to Save Them from the Black Market

Cloaked in white dust and surrounded by expansive plains, the town of Lightning Ridge produces the bulk of the world’s precious black opal. This rare gemstone, prized for its dazzling play of color, hides out of sight in the Australian outback beneath a town roughly 450 miles northwest of Sydney. And for more than 100 years, people have come to the Ridge to find their fortune chasing prec…

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We’ve Been Drilling Into the Ocean Floor for 50 Years. Here’s What We’ve Learned So Far

It’s stunning but true that we know more about the surface of the moon than about the Earth’s ocean floorคำพูดจาก สล็อตเว็บตรง. Much of what we do know has come from scientific ocean drilling – the systematic collection of core samples from the deep seabed. This re…

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What to Know About Sarin, the Deadly Nerve Gas Likely Used in Syria

Mounting evidence is pointing towards the nerve gas sarin as the chemical behind the attack that killed more than 80 people, including at least 27 children, in Syria’s Idlib province earlier this week.

Early assessments by U.S. intelligence officials, Doctors Without Borders and the U.N. health agency suggested that chlorine gas and traces of sarin were used in the bombing, which Pr…

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Ukraine Isn’t Just at COP27 to Talk About Climate

In one sense, Ukraine’s delegation to the COP27 climate conference in Sharm El-Sheikh, Egypt, has a complicated task: to convey to the world the interconnections of war and climate change, the scale of the environmental destruction that Russia’s invasion has unleashed, and the determinedness of this nation of 44 million to carry out its decarbonization goals anyway‚ building b…

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