Honeybees are sophisticated creatures. They are one of the few nonhuman animals to communicate symbolically, using a waggle dance and excreting pheromones to recruit and direct others in the hive to a new food source. The honeybee waggle dance is a unique animal signal that exhibits several characteristics of true language. Bees have a phenomenal […]
La Bella Principessa is a painting worth somewhere between $19,000 and $150 million dollars. In 1998, Christie’s listed the chalk-and-ink drawing on vellum dated as early 19th century and Germanic in provenance. (Oops!) It was sold to Kate Ganz for $21,850. The portrait was sold a few years later to Peter Silverman for a similar amount. […]
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 has been swimming alone for decades, […]
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 shown that the retina of the eye has been optimized so that the sizes […]
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, and reserves of diamonds, copper, […]
The Voynich Manuscript has been called the world’s most mysterious medieval manuscript. It is an illustrated codex made of vellum, carbon-dated to the early 15th century. The manuscript is written in an unknown script and almost every page has a colorful drawing or diagram. Countless cryptographers, linguists, botanists, astronomers and historians have studied its text […]
“There is not a single ‘should give’ or ‘guess’ about it. Sun power is now a fact, and is no longer in the ‘beautiful possibility’ stage. It can compete profitably with coal in the true tropics now.” —Frank Shuman, American engineer and solar energy pioneer, 1913 In 1515, Leonardo da Vinci made sketches of […]
1. Never mind jokes about changing light bulbs. When spiders put their collective mind to it, they can pull down 8-foot long fluorescent light fixtures. In Baltimore, at least. 2. That’s not surprising when we consider spider silk as a prototype for synthetic muscle. 3. In fact, it turns out that the screenwriters […]
When violent unrest broke out in Ferguson Aug.9 and several ensuing days after the police killing of a young unarmed black man, Gerald Early made the analogy to the 1964 Philadelphia race riot.