Animals
The diabolical ironclad beetle is nearly unsquishable
The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable.
MS-PS2-1
Apply Newton's Third Law to design a solution to a problem involving the motion of two colliding objects.
More Stories in MS-PS2-1
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MathCool Jobs: Motion by the numbers
What do car crash testers, video game creators and scientists who study athletic performance have in common? All use geometry in their cool jobs.
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BrainSoccer: Watch out for collisions!
Scientists discover that concussions among high school soccer players stem more from aggressive contact between players than from heading the ball.
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EarthNepal earthquake offers hints of worse to come
The magnitude 7.8 earthquake that crumbled much of Nepal’s capital city could be overshadowed by larger future earthquakes along the Himalayas, scientists say.
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BrainA new ‘spin’ on concussions
Scientists have suspected that rotational forces in the brain may underlie concussions. A new study used athletic mouthguards containing sensors. Data on head movements during collisions suggest that a twisting of the brain may underlie mild brain injuries, including concussion.
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BrainFootball hits the brain hard
The brain’s hippocampus helps store memories. It is smaller in college football players — especially if they have suffered concussions.
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PhysicsBaseball: From pitch to hits
Radar or cameras track the path of virtually every baseball in major league stadiums.
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