Arts & Letters

Animal, Vegetable, Intelligence

The humble cockatoo. Smarter than you think. (CC: David Cook Wildlife Photography) Plant neurobiologists argue the ways in which plants demonstrate behaviors that look very much like intelligence, memory, learning, and decision-making. Rather than relying on a brain and neurons, plants use a decentralized network, but both plants and…

Alone Again, Or

Scientists have been studying the calls of a whale dubbed “the loneliest whale in the world” for more than 20 years. Its calls are unusually high pitched—52 hertz, versus the typical 15-20 hertz range of blue whales. No one has ever seen the 52-hertz whale, but scientists believe he…

See Journeys

The awe-inspiring mantis shrimp. Photo by: Flickr/Silke Baron There is a long-standing puzzle about the wiring of the human eye: why was it wired backwards? The inside-out vertebrate retina has always been presented as an example of inefficient structure locked in by development and evolutionary history. Some recent research has…

Congo vs. Bonobo

In terms of untapped mineral reserves, The Democratic Republic of the Congo (DRC) is arguably the richest country in the world, with its estimated $24 trillion worth of natural resources. The DRC is a country of superlatives, with vast reserves of coltan, gold, cassiterite, and tin mined in eastern Congo,…

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