Unlike a certain companion animal that will go unnamed, dogs lose their minds when reunited with their owners. But it’s not immediately obvious why our canine companions should grant us such an over-the-top greeting—especially considering the power imbalance that exists between the two species. We spoke to the experts…
More than 60% of Americans still wash their laundry in warm water. It’s a practice that’s as costly as it is environmentally unfriendly. What’s more, it doesn’t make our clothes appreciably cleaner. Here’s why you should make the switch to cold water.
So a woman emerges from a bunker after 15 years. She's cheerful and ready to embrace life. It's the premise of the recent Netflix series The Unbreakable Kimmy Schmidt, but what is the reality? What do years of isolation and confinement actually do to a person's brain?
A recently approved vaccine called Gardasil 9 protects against more strains of HPV and HPV-related cancers than any vaccine currently available. But who should get it? And how did it get so much better? Here's a complete rundown on the state of the art in HPV-cancer prevention.
Seppuku, a highly ritualized form of suicide that involved cutting one's own stomach, was once part of the bushido samurai code, and considered an honorable way to die and, until the 20th century, was quite common. So what happened? Why did this practice die out?
Men, what would you be willing to give up to live a couple decades longer? Think carefully before you answer. Research has shown that men who are castrated may have significantly longer lifespans. Here's what we know.
The United States prides itself on being a country of animal lovers. But when it comes to the ethical treatment of lab animals, few countries perform worse. Here's how the U.S. practices measure up to the rest of the world. [UPDATE: io9 has editorial concerns with this article.]
It's one of those so-called facts that everyone knows: Bram Stoker's character Count Dracula was loosely based on Vlad the Impaler. But while there's no doubt that Stoker took the name from Vlad III's patronymic, it's doubtful that the Impaler was actually the basis for the famous vampire.
Contraceptives fail a lot more often than you may have realized. Those failure rate statistics that you see are actually a bit misleading — they are for failure rates in a given year. Over time, the risk of failure is compounded.
If unconventional therapies like acupuncture can make patients feel better by bringing them a vague sense of well being, why not let them? Some scientists say we shouldn't.
It's an all too common ritual: A product in the kitchen passes its "best before" date, so you toss it. Trouble is, it was probably perfectly safe to eat — and you just wasted good food. This is a problem that's only getting worse. Here's what you need to know about "expired" foods — and how to make sure you're eating…
When your friend gets tipsy and starts rambling about how tequila turns her into a savage party monster, and then your other friend vehemently calls bullshit, calmly put your hands up and say this: "Friends. Please. I got this." And then explain to them what I'm about to explain to you.
People who diligently follow their horoscopes may claim that it's all just good fun. But on closer examination, this claim falls flat. Here's why astrology is potentially damaging to our understanding of science, relationships — and even our place in the universe itself.
When we think about futurism, often we imagine cutting-edge technologies like bionic arms or weather machines for colonizing Mars. But if we really want to make it for another few centuries, we're going to need something that Iran has already got.
In the annals of Victorian medical history, few foes receive as much bile as the corset, which physicians claimed contributed to miscarriages, cancer, and slow, crushing deaths. But while there are some health problems that can be linked to corsets, they aren't nearly the instruments of medical terror that they're…
In science fiction, we see all kinds of nightmare viruses that evolve immunity to vaccinations. The scary part? It could actually happen in real life, especially if anti-vaxxers encourage people not to get vaccinated. Populations with pockets of non-vaccinators are more likely to evolve vaccine-resistant viruses…
Being a teenager is as infuriating as it is amazing. Caught between childhood and adulthood, adolescents often have fully developed bodies, but their brains are still under construction. Here's what neuroscience is learning about the remarkable teenage brain, and how it affects behavior.
Everyone's favorite sparkly Internet meme has a long and strangely scientific history – naturalists and scholars have been obsessing over unicorns for over 2000 years. What turned a scientific curiosity of the year 398 BCE into a virgin-loving Christian symbol?
What makes a chocolate-covered pretzel such an insanely tasty concoction? The English language is curiously lacking in a word for something that's both sugary and salty, but fortunately science has some answers.
Humans can have sex anytime we damn well please – so why do we mostly do it in the dark? Here's what science has to say about our preference for nighttime hookups.