What It Means When There's An Air Quality Alert
As humans continue to pump more gases into the atmosphere, you've probably seen air quality alerts more often, but what does that actually mean?
Read MoreAs humans continue to pump more gases into the atmosphere, you've probably seen air quality alerts more often, but what does that actually mean?
Read MoreElectronic vehicles are becoming more common on the roads, but their popularity raises the question: what are we going to do with the used batteries?
Read MoreFor a long time, scientists felt confident in their understanding of the timeline of human evolution. But a recent discovery has completely changed everything.
Read MoreDespite what you may believe, the brightest star in the night sky isn't the North Star, although it's probably the most famous one besides the sun.
Read MoreIt's common knowledge that placing an open box of baking soda in a stinky fridge can eliminate the smells, but why does this actually work?
Read MoreThe Tasmanian tiger hasn't been seen in the wild for nearly 90 years and is assumed by most scientists to be extinct, but what if it were still here?
Read MoreAfter living through the pandemic, everyone is familiar with hand sanitizer, but how many know what those tiny beads are in their hand wash?
Read MoreNot all sand is the same, and if you look at sand from different beaches around the world under a microscope, you'll see just how diverse it is.
Read MoreRather than always traveling in a straight line, like you'd expect, light can change directions based on the medium its traveling through.
Read MoreHumans have established a permanent presence on nearly every continent, but how would the world be different if we had stayed in Africa?
Read MoreWhether you know it or not, lithium is one of the most important elements humans have made use of, but what happens if our supply dries up?
Read MoreHummingbirds are the smallest of the birds, but one member of this fast-flying family is smaller than the rest, only about as big as your pinky.
Read MoreFew creatures are as beautiful as the butterfly, but they're slowly disappearing along with other insects, and it's going to be a big problem.
Read MoreThe future of AI is still up for debate, and no one knows what kind of world it might create. But what might the world look like if AI completely took over?
Read MoreBears one of the largest land predators alive right now, but today's bears are tiny compared to a massive prehistoric bear discovered in Argentina.
Read MoreMount Everest is not a safe place for people or flying machines, which makes the fact that a helicopter landed there kind of incredible.
Read MoreHave you ever gone to boil some eggs and found that some sink to the bottom while others float at the surface? What's causing those eggs to float?
Read MoreSquirrels are so ubiquitous that virtually everyone has had an interaction with one, but what does it mean when it's shaking its tail at you?
Read MoreMost people probably view chewing gum as a habit of little consequence, but it turns out that chewing gum can have a direct effect on your brain.
Read More"Superhuman smell" sounds like a phrase that belongs in a world of superheroes and villains, but it's real. And it might have some major medical ramifications.
Read MoreIf you want to know the age of a bird, you might be surprised to know that there are no good ways to figure it out, at best it's all guess work.
Read MoreThe human body abounds with vestigial features, but this one seems to be slowly disappearing, and there's an easy way to check if you still have it.
Read MoreDespite Wind turbines being a popular source of green energy, their blades are responsible for tons of landfill waste, but there may be a solution.
Read MoreAirplanes fly at around 30,000 feet where the air is too thin for a human to survive, so how to they have fresh air for all of a 6-hour flight?
Read MoreThanks to the 1859 Carrington Event, the northern lights have been seen in all 50 states (even Hawaii), but that's usually not the case, here's why.
Read MoreHave you ever wondered why that baby in the restaurant won't stop staring at you? It's probably more than just the crumbs on your face.
Read MoreTardigrades have a reputation as one of the toughest animals on the planet, which is why their delicate, transparent appearance is shocking.
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