December 28, 2021
Thomas Peter/Reuters
Scientists on this planet have worked out a variety of techniques to simulate the conditions of other worlds that are near and very far.
By Sarah Scoles
Kayana Szymczak for The New York Times
A Harvard professor for 46 years, he was an expert on insects and explored how natural selection and other forces could influence animal behavior. He then applied his research to humans.
By Carl Zimmer
Morgan Hornsby for The New York Times
An inexpensive blood test can warn couples if they face one in four odds of having a baby with the disease. No one ever told Lametra Scott and Rickey Buggs about it.
By Gina Kolata
The number of recent influenza cases is typical for this time of year, but the last time flu cases reached this level was before the coronavirus pandemic began.
By Keith Collins
Maisie Cousins for The New York Times
For psychologists who study it, disgust is one of the primal emotions that define — and explain — humanity.
By Molly Young
Pool photo by Shamil Zhumatov
The relationship between the nations' space agencies is facing a series of difficult tests, including an antisatellite weapon and friction over Ukraine.
By Joey Roulette
Anna Filipova for The New York Times
First, spot the bear.
By Anna Filipova and Emily Anthes
Martin Sander
Trilobites
Scientists have described a giant new species of ichthyosaur that evolved its 55-foot-long body size only a few million years after the lizards returned to the seas.
By Sabrina Imbler
Astronomers were jubilant as the spacecraft made it off the launchpad following decades of delays and cost overruns. The Webb is set to offer a new keyhole into the earliest moments of our universe.
By Dennis Overbye and Joey Roulette
DNA may be extracted from the Clotilda, which was sunk in the Mobile River in Alabama in 1860 after it arrived from West Africa carrying 110 enslaved people, researchers said.
By Michael Levenson
An extensive study of ancient DNA suggests that a wave of newcomers — and perhaps the first Celtic languages — crossed the English Channel three millenniums ago.
By Franz Lidz
Soccer fans aren't the only ones on Earth who make waves.
By Veronique Greenwood
He helped perfect the manufacturing of compounds that are now used to make everything from plastics to pharmaceuticals, marking an advance in "green chemistry."
By Dylan Loeb McClain
CLIMATE CHANGE
If the bill dies, it could prove extremely difficult, if not impossible, for the United States to meet its climate targets.
By Brad Plumer and Nadja Popovich
Andrew Testa for The New York Times
Cities FOR Tomorrow
A district in London has developed an innovative way to divert subway heat for buildings to lower carbon emissions. Other cities are getting creative, as well.
By Tatiana Schlossberg
Let us know how we're doing at sciencenewsletter@nytimes.com.
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HEALTH
Rachel Levit Ruiz
Personal Health
Popular pain relievers and antidepressants, as well as alcohol and herbal supplements, are among the many substances that can contribute to hypertension.
By Jane E. Brody
M. Scott Brauer for The New York Times
Science tells us the solution may lie in what we do for others, not ourselves.
By Christina Caron
Tim Gruber for The New York Times
In Minnesota, an ambitious initiative is training hundreds of Guard members to become certified nursing assistants and relieve burned-out nursing home workers.
By Andrew Jacobs
Yehyun Kim for The New York Times
The New Old Age
In a troubling picture, American women are looking at a rockier road to secure retirement than their male counterparts.
By Paula Span
Mark Elzey for The New York Times
Ask Well
And how do I get it to stop?
THE CORONAVIRUS OUTBREAK
Janice Chung for The New York Times
Hoping to prevent further disruptions to daily life, the C.D.C. reduced the period that certain infected Americans must sequester.
By Benjamin Mueller and Isabella Grullón Paz
Since vaccines became widely available in April, nearly 250,000 people have died from Covid-19 in the United States. Their demographics are different from earlier in the pandemic.
By Denise Lu and Albert Sun
Brian Inganga/Associated Press
Infections have more than doubled or tripled in many countries, prompting the authorities to reimpose curfews and quarantines and introduce vaccine mandates as the holiday season gets underway.
By Abdi Latif Dahir and Jeffrey Moyo
Merck
The F.D.A. said the drug should be prescribed mainly when other treatments were "not accessible or clinically appropriate."
By Rebecca Robbins and Carl Zimmer
Jon Han
While there are subtle differences between the latest coronavirus strain and previous ones, so far the signs of infection look pretty similar.
By Melinda Wenner Moyer
John Taggart for The New York Times
The data offer a rare bit of good news. Still, hospitalizations are likely to increase simply because the variant is so contagious.
By Carl Zimmer and Emily Anthes
Danielle St. Laurent for The New York Times
Facing long lines and shortages of home test kits during the latest surge, people are searching for answers about Covid tests.
By Tara Parker-Pope, Dani Blum and Nicole Stock
Bing Guan/Bloomberg
Washington has rejected plans to revamp vaccine preparedness for decades and repeatedly paid a price. The Biden administration is at a similar crossroads.
By Chris Hamby and Sheryl Gay Stolberg
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