HealthWhy we are sitting ducks for China's bird flu If China's bird flu acquires the ability to spread between people, we don't have the drugs or vaccines to tackle a pandemic, warns Debora MacKenzieComment
LifeChimeric birds could explain how brains get big Zebra finch brains develop differently if they are transplanted into the bodies of quail, suggesting that brain size is under external control 51¶¯Âþ