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The Environmental Protection Agency (EPA) cracked down on lead-based products—including lead paint and leaded gasoline—in the 1970s because of its toxic effects on human health. Scientists at the ...

Update: A minibus spending package passed by the House of Representatives on January 8, 2026, effectively cancels the Mars Sample Return program by eliminating almost all funding for future missions.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

You are given a string s and an array of strings words. All the strings of words are of the same length. concatenated string is a string that exactly contains all the strings of any permutation of ...

Paid media is often treated like a checklist item in a marketing plan: launch a few search ads, run a Meta campaign, maybe test YouTube if there’s budget left. But not all paid media is created equal, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists have ...

HOUSTON — As Election Day nears, many voters are asking whether they're allowed to bring a sample ballot to the poll. The answer is yes, according to the U.S. government. But in Texas, voters are not ...