How do you lose a radioactive capsule? Australian investigators are also wondering

How do you lose a radioactive capsule?  Australian investigators are also wondering

Brisbane, Australia CNN — The discovery of a tiny radioactive capsule lost alongside a lonely highway in Western Australia raises many questions, including how it escaped layers of radiation-resistant packaging loaded onto a moving truck. It’s one of many puzzling aspects of a case that investigators will examine in the coming weeks as they try … Read more

Scientists are preparing the resurrection of a bird that has been extinct since the 17th century

Scientists are preparing the resurrection of a bird that has been extinct since the 17th century

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — No other animal is as inexorably linked to extinction as the dodo, a strange flightless bird that lived on Mauritius in the Indian Ocean until the end of the 17th century. The arrival … Read more