A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...
Abstract: Due to long optimization time and limited dispatching cycle, multi-area combined economic/emission dispatch (MACEED) problems are converted into computationally expensive MACEED (CEMACEED) ...
Professional mathematicians have been stunned by the progress amateurs have made in solving long-standing problems with the ...
Images of plants painted on pottery made up to 8,000 years ago may be the earliest example of humans’ mathematical thought, a study has found.
Worst-behaved travelers, strange sea-level changes, postmark problems: Catch up on the day’s stories
EDITOR’S NOTE: The 5 Things team is off tomorrow for New Year’s Day. We’ll be back on Friday. Until then, you can head to CNN.com for the latest news updates. 👋 Welcome to 5 Things PM! Did you know ...
Worst-behaved travelers, strange sea-level changes, postmark problems: Catch up on the day’s stories
👋 Welcome to 5 Things PM! Did you know it takes 26 hours to ring in the New Year across 39 time zones all around the world? It’s already 2026 in China, India and Australia. See how people are ...
One of the first sentences I was ever paid to write was “Try out lighter lip stick colors, like peach or coral.” Fresh out of college in the mid 2010s, I’d scored a copy job for a how-to website. An ...
An elementary math problem has divided the internet after an easy-looking equation turned out to be anything but simple. Many X users were stumped by the problem 16 ÷ 4 X 4 - 4, posted by ...
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