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Jet lag hits differently depending on your travel direction. Here are 6 tips to get over it.

Editor’s Note: The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news analysis and commentary. The content is produced solely by The Conversation. CNN  —  After a few difficult years of lockdowns and travel restrictions, people […]

US agency assessment backing Covid lab leak theory raises more questions than answers — and backlash from China

Editor’s Note: A version of this story appeared in CNN’s Meanwhile in China newsletter, a three-times-a-week update exploring what you need to know about the country’s rise and how it impacts the world. Sign up here. Hong Kong CNN  —  The US Department of Energy’s assessment that Covid-19 most likely emerged due to a laboratory […]

Rare good news for planet: Ozone layer on track to recover within decades as chemicals are phased out

CNN  —  In rare good news for the planet, Earth’s ozone layer is on track to recover completely within decades, as ozone-depleting chemicals are phased out across the world, according to a new United Nations-backed assessment. The ozone layer protects the planet from harmful ultraviolet rays. But since the late 1980s, scientists have sounded the […]

Tonga eruption was highest-recorded volcanic plume

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  When the Hunga Tonga-Hunga Ha’apai volcano erupted underwater in January, it created a plume of ash and water that broke through the third layer of Earth’s atmosphere. It was the highest-recorded volcanic plume […]

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