Expats raise fraud alarm
Around 120 US-based Chinese scientists have signed an open letter to the Chinese science minister expressing concern at reports of scientific fraud in China. They fear the country’s scientific reputation will suffer if fraud is not exposed, but call on whistleblowers not to name names until cases are proved.
Comet near-miss
Comet 73P has broken up into at least 58 pieces, which by Thursday will have passed within 12 million kilometres of Earth. That is only 30 times as far away as the moon, making it the closest approach by a comet within the past 20…
