Emma Loy

Last year, Finlay and his colleagues discovered that when four particular bacteria were present in the guts of infants, their chance of developing asthma later in life went down. Infants without the four bacteria were more likely to develop asthma.

Hummingbirds are magnificent creatures — they fly at breakneck speeds, move with ninja-like agility and hover. It seems impossible that we could ever understand their movements, but the picture just became a little clearer.

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