Now that bird flu is spreading among cows, scientists worry where H5N1 will jump next

On March 25, American officials published an urgent announcement: Dairy cows in Texas, Kansas, and New Mexico were falling sick. The cows had low appetites, and produced less milk than normal. Some farms also discovered wild bird carcasses on their grounds. Tests on a cow throat swab and raw milk samples all confirmed an unusual finding: … Read more

How scientists tracked the 1,000 km journey of a woolly mammoth using its tusk

As It Happens6:35How scientists tracked the 1,000 km journey of a woolly mammoth using its tusk With nothing more than a tusk, researchers were able to track the 1,000 kilometre journey of a woolly mammoth that lived 14,000 years ago.  “The fact that we can actually regenerate her movement, her place along a landscape … … Read more