Cane toads, introduced to Australia in 1935 to control insect populations, have become one of the worst invasive species, with around 200 million now present. To manage their numbers, programs like toad-busting involve humane euthanasia. Dr. Rick Shine’s new approach uses CRISPR to block their metamorphosis, creating permanently juvenile tadpoles. Continue reading Scientists Create Genetically Modified Tadpoles that are Cannibals