Chrome users need to update their browsers immediately as Google addresses a critical vulnerability that hackers are actively exploiting. Additional security measures are recommended.

Diagram showing the timeline of critical events in the final 29 seconds before the crash of Air India Flight 171, and a graphic of the crash site.

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An investigation into the June crash so far hasn’t pointed to a problem with the Boeing 787 Dreamliner or its GE Aerospace engines.

Geography. Read the latest geographical research from universities and institutes around the world.