Why Can’t Dying Patients Get the Drugs They Want?
A Republican-backed “Right to Try” bill would allow patients to sidestep F.D.A. approval. But the true gatekeepers are the drug companies themselves.
Gary Lincoff, 75, Dies; Spread the Joy of Mushrooms Far and Wide
Over the decades, Mr. Lincoff, a self-taught mycologist, found more than 400 species of mushrooms in Central Park, just two blocks from his apartment.
Q&A: Unique Identifiers in Animal DNA
Genetic fingerprinting can distinguish individuals from one another in many different species — even to identify poached or illegally trafficked...
At Hamburger Central, Antibiotics for Cattle That Aren’t Sick
Many industrial feedlots see routine use of antibiotics as essential. Some cattlemen disagree, calling them “performance enhancing drugs.”
Elon Musk Joins #DeleteFacebook With a Barrage of Tweets
Mr. Musk deleted the Facebook pages of two of his companies, SpaceX and Tesla. He and the Facebook C.E.O., Mark Zuckerberg, have, er, not always...
American Adults Just Keep Getting Fatter
A large scale federal survey has documented the continuing rise in severe obesity, which increases the risks for heart disease, diabetes and some...
150 Whales Beached in Australia, as Rescuers Fight to Save Them
Poor weather and the threat of sharks were hindering emergency efforts.
Trilobites: What Makes Some Hair Curly? Not Quite What Scientists Thought
After testing two theories about what makes sheep’s wool kinky, researchers found flaws in existing ideas about how different types of cells...
Greenhouse Gas Emissions Rose Last Year. Here Are the Top 5 Reasons.
The world needs to reduce emissions to avoid drastic global warming. For now, a new study shows, we’re moving in the opposite direction.
Matter: Was a Tiny Mummified Skeleton an Alien? No, but the Real Story Is Almost as Strange
Known as “Ata,” the six-inch-long skeleton was discovered in Chile and may have had genetic mutations causing a bone disorder never before documented.
Global Health: South Sudan Halts Spread of Crippling Guinea Worms
It has been 15 months — longer than the worm’s life cycle — since the last case of infection, which means the parasite is nearing eradication in...
The Ruthless Phronima, and Other Hidden Wonders of the Sea
At the American Museum of Natural History, “Unseen Oceans” shines a light on the animals that call the ocean home and the humans who study them.