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The Johnson & Johnson COVID-19 vaccine, pictured in December, is 66% effective at preventing moderate and severe disease. But Dr. Paul Stoffels of Johnson & Johnson says what matters more is preventing hospitalizations and deaths, which it did completely.

Johnson & Johnson Executive Says Vaccine Works Where It Counts: Preventing Deaths

Dr. Paul Stoffels, the chief scientific officer at Johnson & Johnson, tells NPR the company's vaccine is very effective where it matters most: preventing hospitalizations and deaths.

Anti-tank obstacles on a wheat field at a farm in southern Ukraine's Mykolaiv region. The country's grain exports were curtailed this week when Russia pulled out of a deal that allowed grain-laden ships to sail out of Ukrainian ports.

Russia's nixing of Ukraine grain deal deepens worries about global food supply

Since the war began, there's been concern about getting Ukrainian grain to countries in need. A deal was struck in 2022 to keep exports flowing — but Russia put an end to it on Monday.

A patient with AIDS at a community hospital in the Central African Republic. Sub-Saharan Africa has high rates of HIV infection -- and was the location for a trial testing the effectiveness of a new strategy for preventing infection.<br>

A new way to prevent HIV delivers dramatic results in trial

The testing of lenacapavir was halted because results were so impressive — 100% effectiveness. The decision was made to give all participants the injection rather than the alternative daily pill.

When birds build nests, they're also building a culture

Nest-building isn't just instinct. Birds can learn from others, letting groups within one species develop their own distinctive nest-building traditions.

An NTSB report on a Oct. 2, 2000, pilot suicide at the Rapid City (S.D.) Regional Airport. Among the pilot's final words: "Tell my family and friends that I love them very much."

'My Final Landing:' Suicide by Airplane

The U.S. government estimates that about 31,000 Americans die each year as a result of suicide. Methods of suicide vary widely. But in the February issue of Flying magazine, pilot and contributing editor Peter Garrison writes about the phenomenon of suicide by airplane.

Skiers cruise down the slopes at Snowmass ski area in Colorado. This winter has already delivered snow totals above 130% of average, but climate scientists say it will take more than one wet winter to pull the arid West out of a 23-year drought.

Why heavy winter rain and snow won't be enough to pull the West out of a megadrought

This winter could provide some relief for parched reservoirs in the Colorado River Basin, but climate scientists warn that the severe drought won't end with one wet season.

In Campaign To Prevent Ebola, A Vaccine For Apes Could Save Humans, Too

After the Ebola epidemic in West Africa, University of Cambridge researcher Peter Walsh has been developing an Ebola vaccine for wild apes, hoping to stop transmission of the deadly virus to humans.

A South African boy stands in front of a mural of Nelson Mandela in Soweto, South Africa, earlier this month.

South Africans Reflect On Mandela's 'Rainbow Nation'

Equality for all South Africans, regardless of race or color, was at the core of the struggle against apartheid. Nineteen years after Nelson Mandela was sworn in as the first black president in the country's first democratic elections, what is the status of race relations?

Pretty Mkhabela, a HIV-positive sex worker in South Africa, gets antiretroviral drugs delivered to her house as part of a campaign to maintain treatment for HIV-positive patients during the pandemic. A new drug called cabotegravir could give women more options to protect themselves from HIV infection.

Protecting Women Against HIV Just Got 9 Times Easier

A single injection of a drug called cabotegravir given every two months has been shown to be more effective than a daily oral dose of Truvada.

South African Official Cleared of Rape Charges

Jacob Zuma, South Africa’s former deputy president, was acquitted Monday of charges he raped an HIV-positive female friend after a judge ruled the encounter was consensual. Madeleine Brand talks with Washington Post reporter Craig Timberg about the politically charged case.

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