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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
PAINFUL SEEDS
Larger Version | Male and female seed beetles engage in evolutionary arms races that appear to harm the species as a whole. Species with spinier, more dangerous male genitals (most extreme of three species at left) also have tougher walls in the female reproductive tracts (inset, cross section for each species).
Credit: PNAS
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