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UN report: Extreme weather hit 62 million people in 2018

The United Nations’ weather agency says extreme weather last year hit 62 million people worldwide and forced 2 million people to relocate, as man-made climate change worsened.

The World Meteorological Organization’s annual state of global climate report says Earth is nearly 1.8 degr

Photosynthesis

This multipart animation series explores the process of photosynthesis and the structures that carry it out.

Could anyone have stopped gene-edited babies experiment?

Early last year, a little-known Chinese researcher turned up at an elite meeting in Berkeley, California, where scientists and ethicists were discussing a technology that had shaken the field to its core — an emerging tool for “editing” genes, the strings of DNA that form the blueprint of life

Chinese researcher claims first gene-edited babies

A Chinese researcher claims that he helped make the world’s first genetically edited babies — twin girls born this month whose DNA he said he altered with a powerful new tool capable of rewriting the very blueprint of life.

If true, it would be a profound leap of science and ethics.