Covid: ‘Nail-biting’ weeks ahead for NHS, hospitals in England warn

Virtual limitations: Reinforcement learning has been used to train bots to walk inside simulations before, but transferring that ability...

Computers, however, find causal reasoning hard. Machine-learning models excel at spotting correlations but are hard pressed to explain why...

Sample return missions are becoming increasingly in vogue, as evidenced by NASA’s OSIRIS-REx mission and China’s current Chang’e 5...

Neither on-site carbon capture or air removal are happening on large scales today, however, principally because they’re highly expensive...

The bigger problem  But the true strength of online political advertising has been in sowing discord. Social-media networks function...