Serotonin got famous as the joy chemical—the one that could lift depression and put us in a good mood. It’s also in the venom of many animals, from hornets to snakes, and in some cases it’s lethal.
The bite of a Brazilian wandering spider might not kill you, but it can make you wish you were dead. The cocktail of toxins in its venom produces a suite of not-so-delightful effects like swelling, intense pain, paralysis, and if you’re male, a painful erection that lasts for hours.
It’s common sense that you shouldn’t try to eat a poison dart frog. But you probably don’t want to go anywhere near one of these adorable little suckers, which use the tiny, bony spines on their faces to jab threatening animals with a venom more potent than that of a deadly pit viper.
After security firm CrowdStrike discovered a virtual machine security flaw that could (in theory) put millions of data centers at risk for malware attack this week, the comparisons came on hot, sticky, and thick. It was Heartbleed, all over again.....but this time, even WORSE.
While many of us hold the opossum in about as much esteem as a sewer rat, turns out, we ought to be showing this particular urban trashivore a lil' more respect. Opossums may end up saving thousands of humans from deadly snakebites each year.
Meet Keesingia gigas, one of a pair of new species of Irukandji jellyfish recently discovered off the coast of Western Australia. It's confusing researchers because it appears not to have any tentacles.
If you've ever been stung by a jellyfish, you'll know how incredibly painful it is—but you might not know why. In fact, their tentacles are covered in explosive cells that are like miniature hypodermic syringes filled with venom—and in this video, you can see how they work in microscopic slow motion.
The stone fish is the most poisonous fish in the sea and one of the most dangerous in the world. It can easily kill you if you step on it, injecting its venom deep inside your foot. If not treated promptly, the poison will kill you. This video by SmarterEveryDay shows how this simple killing machine works.
Spiders are often portrayed as malicious, bloodthirsty creatures looking for anything with a pulse to sink its fangs into—especially us humans. Look no further than movies like Arachnophobia, Arachnid or even Eight Legged Freaks. Even Peter Parker was the victim of a random spider bite. But the truth is, spiders don't…
Imagine one day waking up, showering then coating yourself with a slime normally found in the sewers of England, which immediately takes the shape of your pants and shirt. It might sound like Spiderman 3—or just totally freakin' disgusting—but an industrial designer is taking the concept seriously, studying something…