How biodegradable plastic bags don’t live up to their name
Three years in the ocean wasn’t enough to break down a "biodegradable" bag.
How these water fleas could save your water quality — and your life
On this Earth Day 2019, we celebrate water fleas and ecologist Meghan Duffy. Duffy studies how these water fleas maintain healthy waterways and fight deadly diseases.
Coverage of mass killings is bad for mental health — yet makes people seek more
Consuming media coverage of mass killings, whether via news or social media, creates a self-perpetuating cycle of mental distress, according to a new study.
How Scott Kelly’s year in space changed his poop
The much-anticipated NASA Twins Study was released Thursday, more than three years since astronaut Scott Kelly returned from the International Space Station.
The Event Horizon Telescope is expected to release the first image of a black hole on Wednesday. In preparation for what might be a momentous day, here’s what you need to know.
Why isn't Paul Rudd aging? For his 50th birthday, PBS NewsHour asked three dermatologists for tips on recreating the Paul Rudd effect.
Even if the Great Barrier Reef is someday covered in coral once again, its architecture and structure won’t be the same, according to a new study.
Research shows that most people prefer (and potentially have always preferred throughout history) their partisan leanings over weighing things objectively.
By the end of this century almost all of the world’s population could be exposed to mosquito-borne diseases once limited to the tropics, according to a new study.
