32 control codes (mainly to do with printing) 32 punctuation codes, symbols, and space 26 upper case letters 26 lower case letters numeric digits 0-9 We tend to say that the letter ‘A’ is the first ...

The Earth is currently experiencing its sixth major extinction event. One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 ...

February 10, 2026 • The ability to imagine — to play pretend — has long been thought to be unique to humans. A new study suggests one of our closest living relatives can do it too.

Here authors find a latitudinal migratory divide in a butterfly across Earth’s hemispheres, highlighting how hemisphere-specific seasonality and navigational cues shape migratory strategies. They find ...