present

Kurzel presents the iconography of America’s off-the-grid militia members — flags, swastikas, flyers in bars inviting the curious to meetings — with admirable straightforwardness.

"Translating avian legs and feet into a lightweight robotic system presented us with design, integration, and control problems that birds have solved elegantly over the course of evolution," Floreano says.

Dagmar was presented with a problem and she took care of it, in the cruelest of ways.

It was unknown whether the ability to flexibly organize behaviours in this way is unique to humans, or also present in other primates.

The scientists, who present their findings in the journal PLoS Biology, say the fungal pathogenFusarium xylarioides continues to pose a significant threat to coffee production and incomes across sub-Saharan Africa.