Nurith Aizenman

Scientists have long held that early human men did the hunting and women the gathering. A new review of data on foraging societies in modern times suggests that most women hunted.

The wondrous findings of a global project to record the sound of ocean habitats threatened by climate change and pollution — then play it through loud speakers set up next to troubled reefs.

A debt crisis looms over low- and-middle-income countries. One in five people live in a country teetering toward default. NPR unpacks the causes and consequences, including spiraling food prices.

The head of the World Health Organization made a historic announcement today: COVID-19 is no longer a global emergency. NPR unpacks what that means — and what comes next.

The World Health Organization has lifted the Public Health Emergency of International Concern (PHEIC) for COVID-19. The declaration had been in effect since Jan. 30, 2020.

Botswana has one of the last thriving herds of elephants. But the animals are a menace to rural farmers. One nonprofit's solution: safari drives for local schoolkids. Can it work? NPR joins a trip.

Tuberculosis kills 1.6 million a year — the second deadliest infectious disease after COVID-19. Using immune cells and mRNA technology, scientists in South Africa are working on a new vaccine.

That's the view of Joseph Glauber of the International Food Policy Research Institute. He considers the fear the war would lead to a surge in food prices – and a dramatic worsening of world hunger.

The mRNA shots against COVID were a game-changer but the shots need ultra-cold freezers that are unavailable in many low-income countries. Now the hunt is on for innovations to solve this problem.

Disease researchers from South Africa were the first to identify the omicron variant of the COVID-19 virus. Scientists there are racing to detect new pathogens before they can spark another pandemic.