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Patrick Green
These territorial crustaceans use their tails as shields to defend against the explosive punches of their rivals.
Rolling with the punches: How mantis shrimp defend against high-speed strikes
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Neha Pincha Shroff and Pengfei Xu
Tooth epithelium (cell surface; yellow) and mesenchyme (cell surface; magenta). Proliferating cells (cyan) expand the tissue, generating a mechanical pressure at the tissue center that drives the formation of the main tooth signaling center or organizer, the enamel knot.
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Tfoxfoto via iStock
Tweaks to farming practices could preserve some of California’s declining water resources.
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Fotokostic vi iStock
Organic farming practices can increase pesticide use in neighboring, non-organic fields.
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Shrew: Trebol-a/CC BY-SA 3.0 Whale: Jeff Jacobsen
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iStock \ hrui
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Marcelo Rojas González via iNaturalist
The shell of the variable tonicia is covered in complex, image-forming eyes.
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Holger Kleine via iStock
China’s infamous air pollution affects its citizens’ minds as well as their bodies.
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Yarumal, a municipality in the foothills of the Andes north of Medellín, is one of several communities in Colombia that host a large kindred with a genetic form of early-onset Alzheimer's disease
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Brome McCreary
Foothill yellow-legged frogs live in the flowing water of rivers and streams, so are especially vulnerable when these shrink to isolated pools.
