
Killer squirrels, backyard fossil finds and a 124th birthday party for a giant crocodile are just some of the headlines we've seen in this week's science news. But unfortunately it hasn't all been fun and games.
The U.S. has reported its first severe case of bird flu after a patient was hospitalized in Louisiana. Meanwhile, California has declared a state of emergency as the virus continues to tear through the state's dairy herds. However, to date, no person-to-person spread of the virus has been reported in the U.S. and, according to the U.S. Centers for Disease Control and Prevention (CDC), the risk to the general public is still low.