science


SpaceX’s Secret Satellite Mission May Have Failed. What Happened?

SpaceX’s Secret Satellite Mission May Have Failed. What Happened?

The Falcon 9 rocket launched at Cape Canaveral, Fla., on Sunday, for the satellite mission known as Zuma.

Vanishing in the Wild, These Salamanders Found Refuge in a Convent

Vanishing in the Wild, These Salamanders Found Refuge in a Convent

Sister Ofelia Morales Francisco, left, and Sister Rosa Cortez in the Convento Maria Inmaculada de La Salud in Mexico. The nuns make a cough syrup, in the bottle at right, from achoques, a type of salamander vanishing from nearby Lake Patzcuaro.

Insects Flew Before Anything Else Did. So How Did They Get Their Wings?

Insects Flew Before Anything Else Did. So How Did They Get Their Wings?

A fossil of a cockroach dating to the Cretaceous period, about 145 to 65 million years ago. Insects took to the skies much earlier, but there is scant fossil evidence from the period showing how they evolved wings.

Neanderthals, the World’s First Misunderstood Artists

Neanderthals, the World’s First Misunderstood Artists

The ladder-shaped painting on the left in the La Pasiega cave in Spain is older than 64,000 years, scientists have found, and was made by Neanderthals.

Bulwark Against an Abortion Ban? Medical Advances

Bulwark Against an Abortion Ban? Medical Advances

A march in Washington of women demanding legalization of abortion in 1971. With President Trump about to nominate a second justice to the Supreme Court, legal experts are debating what a more conservative court would mean for abortion rights.

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

Alex M. Azar II, the secretary of health and human services, speaking to the National Governors Association on Saturday in Washington. The Trump administration wants to expand access to so-called medication-assisted treatment for combating opioid addiction.

Clown Fish Need More Energy to Live in a Bleached Home

Clown Fish Need More Energy to Live in a Bleached Home

Researchers at the University of Glasgow studied physiological indicators of stress in clown fish living with bleached anemones, a result of warming temperatures and other environmental disturbances.

Empathy May Be Overrated in an Election, and in a Leader

Empathy May Be Overrated in an Election, and in a Leader

Top: Donald J. Trump; Middle: Bill Clinton: Bottom: George H.W. Bush.

Eske Willerslev Is Rewriting History With DNA

Eske Willerslev Is Rewriting History With DNA

Dr. Eske Willerslev, director of the Center for GeoGenetics at the University of Copenhagen, earlier this month.

An Island, a Focal Point for a Healthy Marine Ecosystem

An Island, a Focal Point for a Healthy Marine Ecosystem

Waters surrounding a remote coral reef atoll teeming with marine life.

China’s Giant Salamanders Pose a Conservation Conundrum

China’s Giant Salamanders Pose a Conservation Conundrum

A Chinese giant salamander, in a glass enclosure in Zhangjiajie, China. There are as many as eight distinct species, but farming is muddling them into a single hybridized population.

Review: ‘A Spirit of Charity’ Probes Struggle of Public Hospitals

Review: ‘A Spirit of Charity’ Probes Struggle of Public Hospitals

A Spirit of Charity: Restoring the Bond Between America and Its Public Hospitals. By Mike King. Secant. 352 pages. $26.95.

In Cave in Israel, Scientists Find Jawbone Fossil From Oldest Modern Human Out of Africa

In Cave in Israel, Scientists Find Jawbone Fossil From Oldest Modern Human Out of Africa

A fossilized human jawbone discovered in Israel. The find may suggest that Homo sapiens first migrated out of Africa at least 50,000 years earlier than previously thought.

When a Pregnant Pipefish Dad Spots an Alluring Female, Things Get Weird

When a Pregnant Pipefish Dad Spots an Alluring Female, Things Get Weird

A robust ghost pipefish in waters off Indonesia. With some species of pipefish, fathers are susceptible to what scientists call the Bruce effect.


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