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Headspace: can our brains get full?

Your brain doesn’t run out of space – it runs out of attention. The science of why two people can live the same moment and remember it very differently.
A reconstruction of bluntnose sixgill shark (or cow shark) scavenging on a tiny extinct right whale carcase during the Early Pliocene of the southern North Sea. Alexander Lovegrove

Could warming seas bring great white sharks back to the North Sea? A 5‑million‑year‑old shark tooth may provide clues

Could new populations of seals and porpoises attract the descendants of some of the large shark species that were thriving in this region 4-5 million years ago?