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14875. Science Facts
The Venus flytrap is a plant with fleshy traps that look rather like a clam, edged with spikes. If an insect lands on the trap, the halves snap shut, trapping it, and then juices from the plant dissolve the insect for the plant to absorb.
14876. Science Facts
To investigate what owls eat, scientists take apart owl pellets (owl faeces) and piece together the bones and fur from different creatures the owl has eaten.
14877. Science Facts
One of the best ways of cleaning an infected wound, used before the days of antibiotics and now with infections that antibiotics can't treat, is to put maggots into it to eat the rotting flesh.
14888. Scientific Instruments & Appliances
Scientific Instruments & Appliances
commutator
is an instrument to change of reverse the direction of an electric current. in dynamo used to convert the alternating current into direct current.
14889. Scientific Instruments & Appliances
Scientific Instruments & Appliances
computer
is a technical device designed to find instantaneous solutions of huge and complex calculation based on the information already fed.
My Account / Test History
Fact
Cats make over 100 different vocal sounds; dogs can make about ten.
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