Approved

A wild idea about paying for conservation

MEERKATS are endearing creatures. Indeed, they are so endearing that they have been turned into characters in a long-running series of advertisements on British television for a price-comparison website. But nothing comes from nothing. Thirty years ago, few non-zoologists would have heard of these social mongooses and the joke would Read more…

By Brian Poncelet, ago
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A better way to make holograms

HOLOGRAPHY is a useful technology, but somehow faintly disappointing. The fantasy is of a “Star Trek” style holodeck, or even the less ambitious idea of three-dimensional television pictures. The reality, for the man or woman in the street, is smudgy images that act as security features on credit cards, passports Read more…

By Brian Poncelet, ago
Approved

How species originate

DESPITE its name, Darwin’s masterful explanation of the mechanism of evolution did not truly tackle the question of how species originate. It showed how they adapt to their circumstances, which may lead to populations of the same species diverging in their characteristics. But how a species actually divides into two, Read more…

By Brian Poncelet, ago