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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
KNOTTING TORNADOES
Rings of swirling fluid have been tied in knots for the first time. The result could help scientists understand the flow of air and water on Earth and of plasma on the sun.
Credit: D. Kleckner and W.T.M. Irvine
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