Cancer reproducibility project releases first results
An open-science effort to replicate dozens of cancer-biology studies is off to a confusing start.
Five big mysteries about CRISPR’s origins
Where did it come from? How do organisms use it without self-destructing? And what else can it do?
Hubble telescope maps Voyager probes’ cosmic road trip
Analysis reveals the gas clouds that the far-flung spacecraft will encounter.
Google reveals secret test of AI bot to beat top Go players
Updated version of DeepMind’s AlphaGo program behind mystery online competitor.
Bat banter is surprisingly nuanced
The racket that Egyptian fruit bats make when jammed next to each other contains information about food, sleeping arrangements and mating attempts.
Ephemeral antimatter atoms pinned down in milestone laser test
Ability to do spectroscopy on antihydrogen may provide new test of fundamental physics.
Meet Chewie, the biggest Australopithecus on record
40 years later, researchers have found more hominin footprints at the world-famous site, called Laetoli. They comprise tracks from two more individuals, including those of a man who would have weighed 48 kilograms and stood 1.65 metres tall, larger than any other Australopithecus in the fossil record. Researchers have named him Chewie, after the 2-metre-tall Star Wars character Chewbacca.
Metabolomics: Small molecules, single cells
Sensitive mass spectrometry and innovative cell-sampling techniques allow researchers to profile metabolites in single cells, but the field is still in its infancy.
Living cells bind silicon and carbon for the first time
Modified bacterial enzyme taught to make bonds that evolution avoids.
Failed Alzheimer’s trial does not kill leading theory of disease
The drug, and others based on the ‘amyloid hypothesis’, are still being tested in other, different trials.