A team at Yamaguchi University in Japan has identified a mechanical property of the feline spine that helps explain how cats can rotate midair to land on their feet. Their peer-reviewed study, ...

Cats are renowned for always landing on their feet. While that’s not entirely true, “cat physics” sounds like an oxymoron. Scientific laws don’t appear to apply to animals that can squeeze into ...

Exposure to CO2 gas is a common rodent euthanasia method. CO2 activates nociceptors in rats and is painful to humans at concentrations equal to or greater than 32.5% The concentration of CO2 at which ...