Science & technology

AI robots can develop prejudice on their own
Aspirin does not reduce heart attack, stroke risk
Oysters turn into pollution trackers
Germany rolls out world’s first hydrogen train
Digital assistants now deliver news
ISRO launches two U.K. satellites
Odisha man, team builds private satellite
Can we repair damaged retina like zebrafish do?
PSLV to launch 2 U.K. satellites tonight
Submarine plan moves forward after delays
New device may help treat dizziness
Robots with computer vision can pick objects
‘Hunger stones’ tell Elbe’s centuries-old tale of drought
‘Smiling may not mean you’re happy’
Google wants more time to meet data storage norms
Tejas clears maiden mid-air re-fuelling trial
Cyborg cockroach could save people trapped under debris
Ocean Cleanup team heads to the Pacific
RTI disclosure irks J&J subsidiary
IISER Bhopal develops organic solar cell using vitamin B12 derivative