Science Times: Hysterectomies leave patients in the dark
Plus: Airplane turbulence, killer whales and Trump’s health picks —
Science Times

December 3, 2024

A close-up view of a person holding a centipede in their fingers, with its antennae and sharp pincers clearly visible.

Schendel et al., Nature Ecology and Evolution 2024

Trilobites

Giant Redheaded Centipedes Are Venom Mixologists

The arthropods can tailor their toxins depending on whether they are hunting prey or defending themselves from predators, according to a new study.

By Andrew Chapman

A view out the window of a commercial airliner during a flight, with its wing visible and clouds far below.

Jonathan Hayward/The Canadian Press, via Associated Press

Trilobites

Airplane Turbulence Can Start Earlier Than You Expect

This is your captain speaking: When thunderstorms are in the forecast, you may need to buckle those seatbelts a lot sooner than you’re used to.

By Katherine Kornei

The facade of a brick building with Roman columns. A sign says “National Institutes of Health.”

Hailey Sadler for The New York Times

Long a ‘Crown Jewel’ of Government, N.I.H. Is Now a Target

The agency long benefited from broad bipartisan support. But Republican criticism has intensified, and new choices for top health posts hope to upend the organization.

By Teddy Rosenbluth and Emily Anthes

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Let us know how we’re doing at sciencenewsletter@nytimes.com.

A person wears a ski mask and sunglasses to protect his identity.

Meridith Kohut for The New York Times

Mexican Cartels Lure Chemistry Students to Make Fentanyl

Criminals turn college campuses into recruitment hubs, recruiting chemistry students in Mexico with big paydays.

By Natalie Kitroeff and Paulina Villegas

Article Image

James Moskito

Trilobites

Killer Whales Hunt and Feast on the Largest Fish On Earth

Whale sharks are gentle, filter-feeding giants, but orcas in Mexican waters were documented attacking the animals and devouring their livers.

By Jason Bittel

A close-up view of a fossilized hominin footprint in the ground with two scale bars placed at its side and heel.

Kevin G. Hatala

Trilobites

Footprints Suggest Different Human Relatives Lived Alongside One Another

A discovery in northern Kenya hints that two extinct species that were our ancient relatives shared the same habitat and possibly interacted.

By Katrina Miller

A close-up view of an ancient amphibian skull held against a ruler.

So et al., Proceedings of the Royal Society B, 2024

Trilobites

A Fossil Gets Its Name From a Revived Indigenous Language

After scientists found an extinct burrowing amphibian on Eastern Shoshone land, members of the tribe gave it a name in their language.

By Jeanne Timmons

A brown mug with an intricately carved face.

Psychedelic Traces Found on Mug From Ancient Egypt

Egyptians may have used hallucinogenic substances as part of a fertility rite, researchers said.

By Alexander Nazaryan

A dog sits in an almost sphinx-like pose at the base of a Great Pyramid. Tourists flock behind the dog.

A Stray Dog Climbed an Egyptian Pyramid. Along Came a Paraglider.

A video of a dog on a pyramid took off on social media — but only after it was appropriated and doctored.

By Franz Lidz

An artist's reconstruction of two herbivorous dinosaurs eating in an early Jurassica ecosystem.

Trilobites

Dinosaur Domination Is Marked in a Timeline of Vomit and Feces Fossils

Studying bromalites helped paleontologists piece together how the reptiles came to rule a part of the prehistoric world.

By Jack Tamisiea

CLIMATE CHANGE

A wide view of a beach with fishing poles standing in the sand and mountains in the background.

A Warning From a California Marine Heat Wave

An extreme heat wave off California’s coast seemed like an anomaly 10 years ago. But as the ocean warms, the catastrophe may be a glimpse of the future.

By Delger Erdenesanaa and Ian C. Bates

Article Image

Tatsiana Chypsanava for The New York Times

Buying Time

The U.S. Is Building an Early Warning System to Detect Geoengineering

Balloon launches from around the world are part of a new kind of global alarm system: One that can detect if another country tries to dim the sun.

By Christopher Flavelle

Article Image

Renaud Philippe for The New York Times

An Arctic Hamlet is Sinking Into the Thawing Permafrost

Canada is losing its permafrost to climate change. The Indigenous residents of Tuktoyaktuk know they’ll have to move but don’t agree on when.

By Norimitsu Onishi and Renaud Philippe

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HEALTH

Article Image

Tom Williams/CQ-Roll Call, via Getty Images

How Will Trump’s Covid Contrarians Handle the Next Pandemic?

President-elect Donald J. Trump’s selections to run the nation’s health agencies are alarming infectious disease experts.

By Sheryl Gay Stolberg

Dr. Dave Weldon wears a red tie and a dark jacket as he speaks from a lectern with three other men behind him.

Joe Raedle/Getty Images

Dr. Dave Weldon, Trump’s C.D.C. Pick, Was Not on Anyone’s Radar

But over the years, the former congressman’s views have often aligned with those of his potential boss, Robert F. Kennedy Jr. — particularly on vaccine safety.

By Apoorva Mandavilli and Benjamin Mueller

Robert F. Kennedy Jr. in a dark blue suit, pointing a finger, flanked by several men in suits.

Uli Seit for The New York Times

How Kennedy Has Worked Abroad to Weaken Global Public Health Policy

The health secretary pick and his organization have worked around the world to undermine longstanding policies on measles, AIDS and more.

By Selam Gebrekidan, Justin Scheck, Sarah Hurtes and Pete McKenzie

A view of a young adult receiving a vaccine in their left arm. The sleeve is rolled up and there is a bandage on it already from a previous inoculation.

George Frey/Getty Images

Hoping for Allies Among Trump’s Health Picks, Pharma Faces Hostility

Robert F. Kennedy Jr. and other candidates for top health posts are at odds with the drug industry, setting the stage for tense battles over regulatory changes.

By Rebecca Robbins, Christina Jewett and Kate Kelly

A person helps a nursing home resident rearrange a chair in their room in winter, with snow falling outside the window.

Nursing Home Industry Wants Trump to Rescind Staffing Mandate

A Biden administration rule that imposed minimum rules on nursing levels may not survive, even though many homes lack enough workers to maintain residents’ care.

By Jordan Rau

A close-up of a person holding a package with boxes piled in the background. A black silicone band is worn on the wrist.

As Plastic Talks Continue, a Reminder of What We’re All Exposed To

As international talks continue this week, a dozen U.N. officials reveal scientists tracked their exposure to many chemicals found in plastics.

By Hiroko Tabuchi

An illustration of a woman lying in bed awake and tired, with small exercising women encircling her head.

How to Exercise for Better Sleep

A fitness routine can be key to a good night’s rest. But too much exercise at the wrong time could can aggravate insomnia.

By Hannah Singleton

An illustration of a green speech bubble filled with objects related to end of life planning, such as: an hourglass, a fountain pen, a stethoscope, a key, pills, a pair of lilies and a wooden gavel.

The Most Important Conversation to Have Before You Die

Talking about your advance care directive with your loved ones will make life — and death — easier later on.

By Dana G. Smith

An exterior view of Amgen's company offices in South San Francisco on a bright day. An American flag waves outside.

New Drug Causes 20 Percent Weight Loss in Early Amgen Results

The drug, which is named MariTide and delivered in a monthly injection, is some time away from being sold.

By Gina Kolata