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One hundred researchers studied 144 insect species to fill in the blanks of insects’ evolutionary history. Source: sciencefriday.com
An international team of physicists reexamined the radius of a proton, and found it to be 4 percent smaller than previously thought. Are they mistaken, or is something missing from the long-held theory of quantum electrodynamics? Physicist Brian Odom of Northwestern University discusses.
Scientists reported this week that they've made an important fossil find -- a fish in the process of developing land-crawling limbs.