To make aerated concrete, add a foam-forming agent and stir in a significant amount of air. This serves to make the concrete significantly lighter, better insulating, and more resilient to fire.

The Americans hurriedly started to develop a tank that would later become the legendary and highly successful M4 Sherman medium tank. In the meantime, however, both the Americans and the British ...

A think tank says the U.S. Forest Service should pursue a much different strategy for using airplanes to fight wildfires, one that relies more heavily on planes that scoop up water on the fly and less ...

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Danish Prime Minister Mette Frederiksen (left), European Council President Antonio Costa and European Commission President Ursula von der Leyen announce the deal at the summit in Brussels European ...

A genomic analysis of ancient human remains from KwaZulu-Natal revealed that southern Africa has an important role to play in writing the history of humankind. A genomic analysis of ancient human ...

Chess grandmaster Dina Belenkaya has come under scrutiny after a video surfaced showing her using foul language following a loss to an 11-year-old opponent, sparking debate about conduct and ...

During World War II, the governments of the United States and the United Kingdom approached the largest U.S. chemical and pharmaceutical companies to enlist them in the race to mass produce penicillin ...

President Donald Trump’s approval rating was stagnant in one poll, improved in another and declined slightly in a third, in new polls that overlapped with his administration’s stunning capture of ...

Here's the 2025-26 College Football Playoff bracket. No. 1 Indiana faces No. 10 Miami in the National Championship game on Monday, Jan. 19. The top 25 ranking does not always match the seed in the ...