The event has been cancelled for 2021, but this was supposed to be the time when some adventurous types headed to Switzerland to take part in a race like no other: a run up a world record staircase known as the Niesen Stairway Run. Plus: a lot of us have been doing video calls and meetings more than ever, but the technology isn't totally new. In fact, Sony made a video phone back in the late 1980s!
We don’t know for sure why dreaming is a thing at all - but a neuroscience researcher at Tufts University has an idea that might help explain them. It’s called the overfitted brain hypothesis - and it’s based on something that happens with artificial intelligence. Plus: a new book showcases scenic photos of certain small buildings in the Alps that everybody has to use once in a while.