Analog computers are systems that perform computations by manipulating physical quantities such as electrical current, that ...

Arynes are highly reactive organic intermediates featuring a triple bond within an aromatic ring. Their strong reactivity ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

For many, it's been years since they've sat in a classroom while a teacher tested their arithmetic skills. Internet users are now racking their brains to remember how to solve elementary school ...

Current reports on debt repayment strategies: the Avalanche method prioritizes high-interest debt for savings, while the ...

In 1945, as the first atomic bomb exploded in the New Mexico desert, Enrico Fermi stood miles away, holding a few scraps of paper. As the shockwave rolled toward him, he dropped the papers and watched ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

For the second time ever, U.S. stocks have crossed a valuation milestone, suggesting low future returns.

Condoms are effective barrier methods that help prevent pregnancy and protect against sexually transmitted infections (STIs). But it’s essential to use them every time and know how to use them ...

Russia’s “Harmony” project is the latest salvo in the battle between underwater access and anti-access efforts. The United ...