A lot of your more flashy chemistry experiments are explosion-centric, but there are a few quieter ones that are just as mesmerizing. A mixture of copper sulfate and ammonia, for instance, looks like ...

‘Predator: Badlands’ contains several references to the ‘Alien’ franchise, but how deep does the connection go, and what does it mean for future sewu Alien and Predator aren’t nearly as intertwined as ...