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Math Puzzle: Secret formula

Can you guess the puzzle writer's secret formula?

The mathematical trick that explains how to find a needle in a haystack

We asked a statistics expert how difficult it would be to find a needle in a haystack—the answer is: just as hard as you think

Nothing can be fully transparent, physicists discover

Quantum researchers show how materials inevitably absorb light

Earth's rocks have a missing layer spanning up to a billion years. Scientists finally know what happened to it

The 'Great Unconformity' has puzzled scientists since its discovery in the 1870s

NASA reveals new lunar rover, PROMISE, to launch to moon in 2028

At a press event on Saturday, the agency's officials stressed that rovers and other infrastructure will be critical to ensuring human survival on the moon

Why do some people hear pitch better than others? Internal noise may be the key

The less internal noise you have, the more reliably you can tell similar sounds apart

Acorns—not deer—can predict a rise in Lyme-spreading ticks

Despite deer's essential role in tick reproduction, looking to acorn numbers instead can forecast Lyme disease booms almost two years in advance