These flies are works of art, and very durable. Unfortunately, Kraft passed away in March this year at the age of 77. If you own some of his handmade flies, you should count yourself lucky. Another really good one is Dave Whitlock’s Cicada. Whitlock needs no introduction, as he is ...
To this day, more than 7,000 groups of genes can be traced back to the last common ancestor of bilaterians, according to a study of 20 different bilaterian species including humans, sharks, mayflies, centipedes, and octopuses. The findings were made by researchers at the Centre for Genomic ...
Finger monkeys, also known aspygmy marmosets, are small primates that are native to the rainforests of South America. They are called“finger monkeys”because theirsmall sizeallows them to easily grasp and hold onto a finger. These unique creatures have become increasingly popular among pet owners...
Here, she examines the greatest inventions in human history "while standing near impressive old ruins, or inside museums." Guests include Lisa Kudrow, Kumail Nanjiani, Hugh Grant, and Tracey Ullman, though most of Cunk's interview subjects are real academics who may not be aware they are ...
century burned 50 to 75 cords of wood in one day. And thanks to commercial greed, frontier recklessness and the lust for showboating speed, steamboats were mayflies of mortality. In 1849, of the 572 steamboats operating on the Western rivers, only 22 were more than five years old. T...
Forget the frustrations of those old-fashioned hair ties or elastic dispensers with metal rings. The best tippet tenders today are silicone or rubber and they fit snugly to protect the tippet from UV light and moisture. Since you’ll most likely be locking the spools together, you need tippet...
A pig named old Major has summoned the other animals who live on a farm to a meeting. He tells them that humans are to blame for all of their problems, an... C Kang 被引量: 0发表: 2009年 Large river mayflies (Insecta: Ephemeroptera) and their distribution in the Upper Volga River...
Another idea is that genital asymmetry evolved as the result of sexual conflict. Huber thinks that this could explain why it is so common among insects. It's all to do with the position of coitus, he says. The original position - still seen in primitive insects such as mayflies - had ...