The injection mechanism is a small device that deploys a syringe using a spring system. That triggers a process that breaks the seal between a chamber containing citric acid and another containing baking soda. The resulting chemical reaction—basically the same one you might’ve done as a kid to make a volcano with baking soda and
In a quiet summer garden, a caterpillar perches on a branch, munching serenely on leaves. A moment later it freezes. It senses danger—and just in time. From behind, a wasp approaches, sizing up its prey. Tobacco hornworm caterpillars don’t look like they have ears, and yet they’re able to sense predators such as wasps. How
SAN FRANCISCO — Californians are spotting swarms of dragonflies flitting around parks, chasing mosquitoes in ponds and hunting flies on farms, a phenomenon experts say was likely fueled by unusually warm spring rains. Peter Veilleux, who owns a nursery in Oakland, said he started noticing the dragonflies — at one point spotting about 100 flying
For months, AI giants have devised special vetted programs and strict barriers to limit the use of their models by malicious hackers. But these limits are now hindering the work of legitimate network defenders, as well as offensive cybersecurity researchers. In June, the US government imposed export control restrictions on Anthropic, Mythos and Fable’s much-hyped
Receive the daily Popular Science newsletter💡 Breakthroughs, discoveries and DIY tips delivered six days a week. By registering, you confirm that you are over 16 years of age, will receive newsletters and promotional content, agree to our Terms of Use, and acknowledge the data practices in our Privacy Policy. You can unsubscribe at any time.
Hackers are breaking into websites running vulnerable versions of the popular WordPress blogging software, according to several cybersecurity companies. One estimate puts the number of vulnerable WordPress websites in the tens of millions as of Monday. Last week, WordPress fixed two critical security flaws, urging people who run its software on their websites to update