Meerkat brothers Barry and Bob are far too lazy and have become overweight as a result. For more than 30 years, the zoo in Rotterdam has been working on a groundbreaking vaccine against the deadly elephant herpesvirus. Female polar bear Huggies may be suffering from arthritis. To be sure, she would normally need to undergo a scan, but that’s not an option for a polar bear in the warm summer weather. Fortunately, the keepers have come up with a test that doesn’t require Huggies to be anesthetized.
