We know the drill. Cities are gray pollution farms and forests are verdant planetary saviors. We also know it’s more complicated than that. Here’s an interesting way a seemingly “green” forest can be a source of pollution.
For the first time ever, scientists have detected molecular nitrogen on a comet. The discovery is sheds light on the nature of the pre-Solar System environment in which Comet 67P/C-G formed.
Archaeological analysis of human remains can illuminate incredible truths about our ancient ancestors, revealing hidden truths about their daily lives that we wouldn't necessarily be able to find in written records. Other times, it can just be a damn tattletale.
Scifi fans know that debate about gun control is besides the point. Guns won't save anyone from rampaging Terminators, aliens, or Jason Voorhees. Liquid nitrogen will. Here's how to make some on a super-low budget, for home protection!