Idiom of the Day
close in on (someone or something)
to overwhelm or surround someone or something
The soldiers quickly closed in on the enemy position.
Science Facts
In an attempt to kill malaria-carrying mosquitoes, an American scientist built towers to attract bats. He enticed them in with fabric covered with bat droppings, and played music near the bats' old homes to drive them out.After a few years, malaria infection dropped from 89 percent of the population to zero.
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