Academic freedom declining globally, index finds

Just one in three people live a nation that guarantees the independence of universities and research, according to an annual index warning that academic freedom is declining worldwide, particularly in Russia, China and India.

X-ray lasers: Why does brighter mean darker?

When we illuminate something, we usually expect that the brighter the source we use, the brighter the resulting image will be. This rule also works for ultra-short pulses of laser light—but only up to a certain intensity. ...

Q&A: Research with embryo models needs legal clarity

Science often runs ahead of legislation—and this is now also true for research on embryo-like cell aggregates from human stem cells. Bioethicist Alessandro Blasimme of ETH Zurich explains why this controversial topic calls ...

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