Video Kenneth Libbrecht: How to grow a perfect snow crystal The largest snow crystal ever measured was 10 millimetres across. Ken Libbrecht explains the complex physics involved VideoFree
Environment Extreme hurricane season is here and it is fuelled by climate change Hurricanes have kept forecasters guessing this year, but with the arrival of intense storms like Helene and Milton it is clear that warming ocean waters are having an effect on the weather NewsSubscriber-only