The Sonoran desert toad’s toxins create an intense psychedelic experience, but that’s not an excuse to put one in your mouth. By Daniel Victor Tempting as it may be, please don’t lick the toads.

US researchers carrying out a sonar survey of Loch Ness have been amazed to find a common toad crawling in the mud 324ft (98m) down. The Massachusetts Institute of Technology (MIT) has been attempting ...