We’re throwing a big number at you to start off this episode: 100 quadrillion. That’s a 1 followed by 17 zeroes, and that’s a rough estimate of how many ants there are crawling across the planet! This ...

Scientists have known that some insects can hold their breath for hours or even days. A new study suggests why: Too much air would kill them. Insects breathe in and out through holes, called spiracles ...

I was just wondering and my google-fu failed me, so over to you Ars hive mind. Can you solve this conundrum? Ants (and most insects) have circulatory systems that are extremely simple compared to ...