How a 1,900-year-old latrine helps explain why Roman concrete lasts
An ancient sample shows calcite threading through the material’s cracks and pores, with possible lessons for making modern concrete last longer
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Scientific American
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An ancient sample shows calcite threading through the material’s cracks and pores, with possible lessons for making modern concrete last longer
Tennis players can return high-speed balls using a combination of reaction and predicting the future
The inaugural launch and first-stage booster recovery of China’s Long March 10B rocket intensifies the nation’s spaceflight rivalry with the U.S.
The climate system is tied to more powerful typhoons, as well as famine and wildfires.
A proposed rule change could expose more Americans to higher doses of radiation from nuclear facilities
A proposed rule change could expose more Americans to higher doses of radiation from nuclear facilities
Efforts to revive the thylacine and woolly mammoth are forcing conservationists to face a long-overdue debate over what kind of natural world we want to build
Other planets have moons, too. Do they get eclipses like we do?
A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed light on how Earth became habitable
A recent study in the journal Nature carries cosmos-quaking implications for our understanding of the universe—except a new preprint says that it’s wrong