Science News
Surgeons Perform First Human Bladder Transplant
The procedure could be life-changing for some people with debilitating conditions.
F.D.A. Approves Novavax Covid Vaccine With Stricter New Conditions
The agency narrowed who can get the shot and added new study requirements that could cost the company tens of millions.
A Ministroke Can Have Major Consequences
So-called transient ischemic attacks can eventually lead to cognitive declines as steep as those following a full-on stroke, new research finds.
Peter Lax, Pre-eminent Cold War Mathematician, Dies at 99
As the computer age dawned, he saw how the new technology could be harnessed to mathematics to solve problems in everything from designing weapons to predicting the weather.
When a Vaccine Safety Trial Becomes Unethical
New vaccines are often evaluated in trials in which some participants receive a placebo. But not all studies can be designed this way.
As Congress Debates Cutting Medicaid, a Major Study Shows It Saves Lives
The most extensive research on Medicaid coverage to date found that it reduced the risk of death by 21 percent.
Novo Nordisk to Replace C.E.O. After Losing Edge in Weight-Loss Drugs
The Danish drugmaker, which makes Ozempic and Wegovy, has seen its stock tumble as competition in the weight-loss drug market has grown fiercer.
Ed Smylie, Who Saved the Apollo 13 Crew With Duct Tape, Dies at 95
He and his team of NASA engineers jumped into action to help three astronauts bound for the moon. His quick thinking earned him a shout-out from Richard Nixon.
O.C.D. May Look Different Than You Think
Disturbing thoughts and social fixations are among the many manifestations of obsessive-compulsive disorder.
Nine Federally Funded Scientific Breakthroughs That Changed Everything
The U.S. is slashing funding for scientific research, after decades of deep investment. Here’s some of what those taxpayer dollars created.
Federal Officials May Limit Recommendations for Covid Vaccine
With new testing requirements, it’s not even clear how new Covid or flu shots can be made available this fall.
Malcolm Potts, Evangelist for Contraception in Developing Countries, Dies at 90
He helped develop the device most often used for surgical abortions. He also spent more than half a century promoting women’s reproductive health in developing countries.
How a Two-Story Boulder Ended Up on a 120-Foot-High Cliff
The rock called Maka Lahi is important in the mythology of the people of Tonga, and scientists have worked out part of its origin story.
New N.I.H. Policy Threatens Global Science Collaborations
Restrictions on payments to foreign partners may jeopardize studies of cancer and other conditions that would benefit Americans.
U.S. Moves Russian Scientist’s Case to Criminal Court in Boston
For months, the Harvard researcher Kseniia Petrova has challenged efforts to deport her to her native Russia for a customs violation. This week, the government charged her with a criminal felony.
Baby Is Healed With World’s First Personalized Gene-Editing Treatment
The technique used on a 9½-month-old boy with a rare condition has the potential to help people with thousands of other uncommon genetic diseases.
Trump Budget Cuts Hobble Antismoking Programs
The elimination of a key C.D.C. office has slashed funding to states for help lines used by thousands to stop smoking and vaping.
Drug Overdose Deaths Plummeted in 2024, C.D.C. Reports
The progress comes as the Trump administration is proposing to cut funding for many programs believed to have contributed to the improvement.
U.S. Charges Russian Scientist With Smuggling
A government lawyer told a federal judge on Wednesday that the intention is to deport Kseniia Petrova, a Harvard researcher, to Russia.
Richard L. Garwin, a Creator of the Hydrogen Bomb, Dies at 97
Many scientists contributed to the final result, but he was the one who, as a young physicist, designed the world’s most powerful weapon. He went on to advise a dozen presidents.