
The evolution of expendability: Why some ants traded armor for numbers
Ants with lots of workers tend to put less energy into making them armored. ...
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Ants with lots of workers tend to put less energy into making them armored. ...

Chris Wright declared an energy “emergency” in the Pacific Northwest. ...

They were infected by roundworm, whipworm, and microscopic protozoans called Giardia duodenalis. ...

DiskSat's design offers "a power-to-weight ratio unmatched by traditional aluminum satellites." ...

"A calorie-neutral, drug-free, low-cost, readily available tool for when we need a boost in performance.” ...

Engineers at JPL are certifying the Perseverance rover to drive up to 100 kilometers. ...

Major research institution dismissed as a source of "climate alarmism." ...

"We're going to be making 3D movies of what is going on in the Milky Way galaxy." ...

Solar power accounts for two-thirds of the new projects waiting to connect to the state’s power grid. ...

"If we build these platforms well, we get to ask new questions about what's possible in orbit." ...

Gov'ts agree to ban or restrict international trade in shark meat, fins, and other products. ...

Managing each finger separately can, with the right sensors, ease control issues. ...