Health, Science and Environment

The United States appears to be in the midst of an unusually severe flu season, officials at the federal Centers for Disease Control and Prevention said Friday.

The flu season started early, which is never a good sign, and the flu is already widespread throughout the country, the CDC's latest report shows. Half of states are reporting especially intense flu activity.

In an effort to raise awareness of dogs being left out in the cold, members of an animal shelter in Saginaw will sleep outside tonight.

Natalie Portman is so done with male bias in Hollywood. On Sunday, before reading out the top picks for best director at the Golden Globes, she said: "Here are the all-male nominees."

She's not the only one who's over industry sexism.

You've seen the Orion Nebula before – but not like this.

It's part of the Orion constellation, easily visible from Earth: The bright center "star" in Orion's sword, located off Orion's belt, is actually an active nebula where new stars are formed.

Science is not a philosophy or a spiritual path; it's a way of behaving in the world.

But since tribalism and polarization have made "alternative facts" a reality of public life, there is something we can learn from science to help us navigate the troubled waters and find a more resilient civic life.

The lesson begins with understanding the right relationship not to knowing but to not knowing. To be blunt, if we want to fight ignorance, we must start with our own.

Part 1 of the TED Radio Hour episode The Big Five.

About Tim Kruger's TED Talk

To tackle climate change, geoengineer Tim Kruger is developing technology that could remove large quantities of CO2 from the atmosphere. But he says it takes unprecedented cooperation to make it work.

About Tim Kruger

A giant black hole located at the center of a galaxy 800 million light-years from Earth has been caught on camera letting out not one, but two massive "burps" of highly charged particles.

It is the first time astronomers have viewed the phenomenon twice in the same black hole.

Images released Thursday and credited to the Hubble Space Telescope and the Chandra X-ray Observatory were presented at the American Astronomical Society's winter meeting in National Harbor, Md., outside Washington, D.C.

Dr. Mahendra Patel, a pediatric cancer doctor, has begun giving away medications to some of his young patients, determined not to disrupt their treatments for serious illnesses like leukemia. He's worried Congress will fail to renew funding soon for a health program that pays for the care of millions of children across the country.

Recent scientific reviews have found substantial evidence that marijuana can be useful in easing at least some types of chronic pain. Yet even for the majority of Americans who live in states that have legalized medical marijuana, choosing opioids can be much cheaper.

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ARI SHAPIRO, HOST:

The Northeast just emerged from a two-week cold spell. In Vermont, temperatures fell to negative 30 degrees Fahrenheit. And in such extreme cold, rural Vermonters have been quickly burning through a precious wintertime commodity - firewood.

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