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Every week, we’ll bring you stories that capture the wonders of the human body, nature and the cosmos.

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Surprise Tax in G.O.P. Bill Could Cripple Wind and Solar Power

Wind and solar companies were already bracing for Congress to end federal subsidies. But the Senate bill goes even further and penalizes those industries.

By Brad Plumer

image: The repeal of federal subsidies alone could cause wind and solar installations to plummet by as much as 72 percent over the next decade, according to the Rhodium Group, a research firm.

Maybe It’s Not Just Aging. Maybe It’s Anemia.

Significant numbers of older people have the condition. Many find relief with an effective treatment that is being more widely prescribed.

By Paula Span

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A Special ‘Climate’ Visa? People in Tuvalu Are Applying Fast.

Nearly half the citizens of the tiny Pacific Island nation have already applied in a lottery for Australian visas amid an existential threat from global warming and sea-level rise.

By Max Bearak

image: Tuvalu is at risk of largely disappearing because of climate change. Floodwaters in the capital in 2019.

Max Fink, Champion of Electroconvulsive Therapy, Dies at 102

As a psychiatry resident, he became convinced of the benefits of ECT. But he spent years battling detractors and a misleading pop-culture depiction of the procedure.

By Richard Sandomir

image: Dr. Max Fink in an undated photo. “He was a zealot, no question about it,” one colleague said. “He thought ECT was a panacea.”

12 Days of Attacks Later, Could Iran Make an Atomic Bomb?

How an atomic weapon is built, and what the recent Israeli and U.S. attacks on Iran may mean for the country’s nuclear ambitions.

By Agnes Chang, Pablo Robles, Josh Holder, William J. Broad and David E. Sanger

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A Conservative’s Plan to Sell Public Lands Faces MAGA Pushback

They love hunting, fishing and conservatism. And they hate a plan by a conservative senator to sell millions of acres of public lands.

By Maxine Joselow

image: Screenshots of Cameron Hanes, left, and Randy Newberg speaking on Instagram about their objections to the sale of federal lands.

Critical Hurricane Monitoring Data Is Going Offline

The loss of access to the data could hamstring forecasters’ ability to track hurricanes and warn residents of their risk.

By Rebecca Dzombak

image: Satellite-based tools help forecasters monitor and model tropical cyclones and hurricanes.

Mysterious Fireball Reported Over South Carolina, Georgia and Tennessee

A glowing object lit up the sky, prompting dozens of calls to the authorities, as scientists scrambled to figure out what it was. It turns out that it was a meteor.

By Mark Walker and Adeel Hassan

image: Dashcam footage shows a fireball streaking through the sky in Anderson, S.C., on Thursday.

Kennedy’s New Advisers Rescind Recommendations for Some Flu Vaccines

Critics saw in the move the beginnings of a more restrictive approach to providing vaccines to Americans.

By Apoorva Mandavilli

image: Lyn Redwood, who once ran the anti-vaccine group that Robert F. Kennedy Jr. founded, spoke during the meeting on Thursday.

Debris From SpaceX Explosion, Landing in Mexico, Draws Investigation

Mexican environmental activists say detritus raining down from Elon Musk’s rocket company has caused die-offs of marine life.

By Simon Romero

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The World Is Warming Up. And It’s Happening Faster.

Human-caused global warming has been increasing faster and faster since the 1970s.

By Sachi Kitajima Mulkey, Claire Brown and Mira Rojanasakul

image: A construction worker in Washington, D.C., on Tuesday during this week’s heat wave.

Republicans Propose a New Way to Scrap Fuel Economy Rules: No Fines

For 50 years, automakers have had to increase the fuel efficiency of their vehicles or pay fines. The Republican megabill would set those penalties to $0.

By Brad Plumer and Jack Ewing

image: Carmakers that have a history of producing efficient vehicles, like Toyota and Honda, would face competitive pressure from rivals that no longer want to spend on fuel-saving technologies.

N.I.H. Memo Pauses Cancellations of Medical Research Grants

The directive, in a memo issued Tuesday, came after two court rulings that questioned the Trump administration’s swift cuts to funding.

By Benjamin Mueller

image: Since President Trump’s return to office, the National Institutes of Health has slashed funding for medical research by ending hundreds of awards.

Fred Espenak, Astrophysicist Known as Mr. Eclipse, Dies at 73

He chased eclipses for five decades, wrote several books about them and worked with NASA to make data accessible to nonscientist sky gazers.

By Michael S. Rosenwald

image: Fred Espenak in an undated photo. Over his long career, he witnessed 52 solar eclipses, 31 of them total.

Scientists Retrace 30,000-Year-Old Sea Voyage, in a Hollowed-Out Log

Japanese researchers turned to “experimental archaeology” to study how ancient humans navigated powerful ocean currents and migrated offshore.

By Franz Lidz

image: Researchers crafted a replica of a Paleolithic canoe and set out from Taiwan in 2019 to examine how ancient humans managed to reach islands such as Okinawa without maps or metal tools.

Kennedy Withdraws U.S. Funding Pledge to International Vaccine Agency

Robert F. Kennedy Jr. claimed that the agency, Gavi, had “ignored the science” in immunizing children around the world.

By Stephanie Nolen

image: Health and Human Services Secretary Robert F. Kennedy Jr. during a House subcommittee hearing on Tuesday.

The C.D.C.’s Vaccine Meeting: What to Watch For

Hints of a more skeptical approach to immunizations have already surfaced.

By Apoorva Mandavilli

image: The vaccine panel’s agenda includes some topics that are closely associated with the anti-vaccine movement.

Kennedy’s New Advisers Promise Closer Scrutiny of Childhood Vaccines

The reconstituted C.D.C. panel will revisit the standard vaccination schedule. The former head of an anti-vaccine group is now a special federal employee.

By Apoorva Mandavilli

image: At least half of the eight new members of a C.D.C. panel, who are meeting for the first time on Wednesday, have expressed some skepticism about vaccines.

Trump’s OSHA Nominee Has a History With Heat and UPS Drivers

David Keeling would take over the workplace-safety agency just as it is considering rules to protect against extreme heat. His former employers, UPS and Amazon, have opposed the rules.

By Hiroko Tabuchi

image: President Trump’s nominee to run OSHA, David Keeling, previously worked at UPS, which opposes workplace heat regulations the agency is now considering.

The Evolution of Trump’s Views on Foreign Aid

The administration has gutted agencies like U.S.A.I.D., and President Trump has denigrated their work as wasteful and rife with fraud. His views on humanitarian assistance have seesawed since he entered political life.

By Andrew Jacobs, Saurabh Datar and Antonio de Luca

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Four Astronauts Lift Off on Axiom Mission to the I.S.S.

Sponsored by governments but ferried by a private company, astronauts from Hungary, India and Poland are going to the space station for the first time.

By Jacey Fortin and Pragati K.B.

image: From left, the Axiom crew: Shubhanshu Shukla of India; Peggy Whitson, who will command the mission; Slawosz Uznanski-Wisniewski of Poland; and Tibor Kapu of Hungary.

This Vermont Soccer Team Plays for the Planet

The Vermont Green Football Club champions environmental work and draws sold-out crowds, with the help of free ice cream.

By Cara Buckley and Kelly Burgess

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This Reviled Pest Is the Unsung Hero of Every Major City in the World

The European wood pigeon helped me appreciate its omnipresent city cousins.

By Ben Crair

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This Powerful Telescope Quickly Found 2,100 New Asteroids

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a mysterious Planet Nine.

By Kenneth Chang

image: The Vera Rubin Observatory in Cerro Pachón, Chile, last month.