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- Better chow yields more milk: A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds
- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
SLIP SLIDING AWAY
Forces pushing downward and sideways (blue arrows) on a Plexiglas block can create uneven stresses (red arrows) along its surface and rupture (yellow circle) the frictional contacts that prevent the block from sliding.
Credit: P. Huey/Science
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