Scientific American Magazine – May 2025

How Can We Know If an Asteroid Will Hit Earth? | Scientific American

SCIENTIFIC AMERICAN MAGAZINE (April 15, 2025): The latest issue features ‘Mind Stretching Shapes’ – The loops, knots and structures pushing the boundaries of math…

How Can We Know If an Asteroid Will Hit Earth?

Suddenly Miners Are Tearing Up the Seafloor for Critical Metals

Willem Marx

Mathematicians’ Favorite Shapes Hold the Key to Big Mathematical Mysteries

Rachel Crowell, Violet Frances

A Deadly Parasite Threatens Bees and 130 Crops They Help Grow

Hannah Nordhaus

The New York Times – Tuesday, April 15, 2025

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China Halts Critical Exports as Trade War Intensifies

Beijing has suspended exports of certain rare earth minerals and magnets that are crucial for the world’s car, semiconductor and aerospace industries.

Inside Factories in China, a Struggle to Survive Trump’s Tariffs

Small factories with tiny profit margins have played a central role in China’s international competitiveness. Many could now face disaster.

Trump Administration Will Freeze $2 Billion After Harvard Refuses Demands

Federal officials said they would freeze the money after Harvard said it would not submit to requests to overhaul hiring and report international students who break rules.

El Salvador’s Leader Says He Won’t Return Wrongly Deported Maryland Man

An Oval Office meeting between President Trump and President Nayib Bukele of El Salvador was a blunt example of Mr. Trump’s defiance of the federal courts.