Video: Scientists at the University of California, Berkeley, have revealed the secret of the male Anna’s hummingbird’s chirp
Tough flu
For the first time, ordinary winter flu circulating in Europe and possibly elsewhere has been found to be fully resistant to the antiviral drug Tamiflu. Health authorities have called emergency meetings as the drug is the main defence against a pandemic. Tamiflu-resistant flu viruses had been thought weak and unable to spread.
Sporting coronaries
Got a heart condition? Then avoid sports matches you really care about. A study in Munich, Germany, during the 2006 football World Cup found that heart…
