International

"When the chills, body shivers, and pounding headache first hijacked my system, I was 30,000 feet above the Pacific Ocean, midway through a 14-hour flight to Manila in the Philippines."

"The Trump administration's decision to withdraw the United States from the foundational U.N. climate treaty, which the U.S. Senate unanimously adopted more than 30 years ago, may be illegal, according to some legal experts who say that Congress would need to approve its exit."

"Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep."

"After a 12-day crossing, and a hard slog through sea ice, the field work on this Antarctic expedition is ready to start."

"After a 12-day journey across the southern seas, the nearly 40 scientists aboard the icebreaker Araon on Wednesday reached Antarctica’s fastest-melting glacier, the Thwaites. An ambitious campaign to study the ice by air, under sea and with boots on the frozen surface is now underway.

"The Publications Division of the American Chemical Society (ACS) is proud to announce that Environmental Health Perspectives (EHP) has joined the ACS Publications portfolio. EHP is a globally respected journal with a legacy as a premier source for research findings at the intersection of the environment and human health."

"The Danish territory holds significant stores of oil, gas and minerals. But regulations and the extreme environment have kept the vast majority in the ground."

"President Trump announced on Wednesday that he was withdrawing the United States from the bedrock international agreement that forms the basis for countries to rein in climate change."