منابع مشابه
Velvet worms
What is a velvet worm? Velvet worms are terrestrial, soft-bodied, many-legged carnivores. They form the phylum Onychophora (‘claw bearers’ — each of their many limbs terminates in paired claws). Velvet worms range in size from around 10 millimetres long to relative giants in excess of 20 centimetres, and known species have between 13 and 43 pairs of stubby limbs termed lobopods. Unlike arthropo...
متن کاملSnake velvet black: Hierarchical micro- and nanostructure enhances dark colouration in Bitis rhinoceros
The West African Gaboon viper (Bitis rhinoceros) is a master of camouflage due to its colouration pattern. Its skin is geometrically patterned and features black spots that purport an exceptional spatial depth due to their velvety surface texture. Our study shades light on micromorphology, optical characteristics and principles behind such a velvet black appearance. We revealed a unique hierarc...
متن کاملThe Rise and Fall of Black Velvet Flag: An "Intelligent" System for Youth Culture Documentary
The use of databases and interactive tools has enabled filmmakers to discover new ways of authoring. This paper reveals the research and thought that preceded the design of an interactive documentary about a cocktail-lounge band that played hard-core punk songs. The decision to create a system where the presentation database “learns” from each viewer’s choice is as much a way to best accommodat...
متن کاملThe Velvet Underground Emerges
Like all life on Earth, animals and fungi share a common ancestor, but it’s been a good 1,500,000,000 years since we parted company, and that’s been plenty of time for us to figure out different ways of going about things. Whether we’re a mildew or a marmoset, a chanterelle or a chanticleer, a toadstool or a toad, we all need to respond to the outside world by using regulatory systems that turn...
متن کاملEvolution: Velvet Worm Biogeography
The present-day distribution of velvet worms corresponds neatly to the ancient supercontinent Gondwana - except for a puzzling outpost in southeast Asia. Jaw-dropping new fossil material now establishes when and how peripatid onychophorans reached this isolated spot.
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ژورنال
عنوان ژورنال: Nature
سال: 1970
ISSN: 0028-0836,1476-4687
DOI: 10.1038/225206d0