In this edition of Play Smart, instructor Kelan McDonagh explains why left-to-right putts are so tricky for most golfers.
Space.com on MSN
How do asteroids spin in space? The answer could help us prevent a catastrophic Earth impact
"With these probability maps, we can push asteroids away while preventing them from returning on an impact trajectory, ...
Brains guide group movement by sharing world-centered direction cues, explaining how animals align without strict rules.
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