Chameleons are like living mood rings: Color changes reveal their status, intentions and more.
You'd think koalas would sound as cute as they look. But, oh
no ... the sound they make is nothing like what you'd expect. Trace
explains why these adorable marsupials sound the way they do.
Snakes are pretty incredible animals, the poisonous ones even
more so. Trace explains how snakes evolved to become venomous, and why
they must keep evolving this tool to keep their deadly reputation.
As bed bugs strike dread and produce itchy welts in a growing
number of people, scientists are racing to better understand what makes
the insects tick.
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