NextSense's EEG-equipped wireless earbuds are an intriguing idea, but I'm not sure if sleep-tracking can save me from constant tiredness.
Other affected species include the Antarctic fur seals and southern elephant seals.
Polar scientists thought it was a dirty iceberg at first.
A recent search for water ice has turned up empty, casting doubt on the abundance of the valuable resource on the lunar surface.
It’s a comforting idea, but a new study did not find evidence to support it.
Perhaps surprisingly, the answer isn't climate change.