The 5.3 GM engine has a few iron variants and cathedral ports while all 6.2 engine variants are aluminum with rectangular ...
News-Medical.Net on MSN
Virus shells use asymmetry to control RNA release and infection
Viruses are typically described as tiny, perfectly geometric shells that pack genetic material with mathematical precision, ...
Live Science on MSN
Can a turtle tuck its head all the way inside its shell?
Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.
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