Digestion is a complex process that starts earlier than most people realise. Several organs contribute enzymes at different stages of the digestive process.
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π€ Dilemma Β· 29 votes
Which UK bird is the only one known to regularly hover in place while hunting, giving it a nickname from this behaviour?
πΏ Nature & Animals Β· 27 votes
Rank these BBC natural history landmark series by the year their first episode aired, earliest first.
π₯ Movies & Series Β· 26 votes
Which English physician first successfully tested a smallpox vaccine in 1796 using cowpox material?
π³ 28 votes