He asked doctors to wash their hands. It saved the mothers, and it cost him everything.

81% of Earth’s largest earthquakes happen on one horseshoe around the Pacific.

NOAA forecast a 7,027 sq mi Gulf dead zone for 2026. Surveyors found 1,332.

The first voice India ever put on a record, and the woman who taught a raga to fit into three minutes.

The earliest and latest clocks on Earth sit in the same patch of Pacific, 26 hours apart.

Earth leaks about 50 grams of helium into space every second. Two countries produce 76% of what we use.

He gathered the seeds to feed the world — and died of hunger in a Soviet prison.

The Danube passes ten countries. Moldova's whole share of it is about 480 metres of riverbank.

In 1859 a solar storm reached Earth in 17.6 hours. Today one could cost the US up to $2.6 trillion.

41% of the lower 48 drains out through one river mouth below New Orleans.

The night sky is brightening 9.6% a year, almost five times what satellites measured. Doubles every 8 years.

Her family took away her candles to stop her studying. Then the word "scientist" was coined in a review of her book.

Paid by the hour to count stars on glass, she found the ruler that measures the universe.

Until 2015, one field was India, inside Bangladesh, inside India, inside Bangladesh.

Nearly half the world's 7,160 languages are endangered. One goes silent about every three months.

No American school would teach her to fly. So she learned French, crossed an ocean, and came home with a licence no one could take away.

One side of Australia's Dingo Fence: 3,245 kangaroos counted. The other side: 8.

South Korea had 1,006,645 births in 1970. In 2023 it had about 230,000.

Legend gives him Mount Everest. The record gives him something larger: the mathematics of a survey that mapped a subcontinent.

Bali and Lombok are about 20 km apart. Their wildlife comes from two different continents.