A 46,000-year-old worm found in Siberian permafrost was brought back to life, and started having babies
(www.businessinsider.com)
A quick way to tell if something is an insect is if it has a head, a thorax, an abdomen, exactly 6 legs, and antennae
The 6 legs is usually the biggest giveaway, discounts millipedes, centipedes, worms, spiders, etc. from being insects