Canine transmissible venereal tumor (CTVT) is a sexually transmitted cancer that affects dogs. Its genome has recently been sequenced, revealing that it originated in one dog and has continued to live on for an astonishing 11,000 years; the longest known living cell lineage. The study was led by Elizabeth Murchison of the Wellcome Trust Sanger…
Tag: evolution
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Early Scorpions May Have Transitioned To Land Earlier Than Thought
by Staff •
Scorpions have been crawling around our planet for hundreds of millions of years, and while it’s thought that the earliest versions were sea dwellers, when they first made the transition from water to land is hazy. Now, with the discovery of a previously unknown species with a unique combination of features, scientists have evidence to suggest…
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Aphids Vampirize Ant Larvae
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Wingless, root-dwelling aphids from the same species can come in two different shapes: round or flat. While the round sapsuckers maintain a peaceful, mutually beneficial relationship with ants, the flat aphids mimic ant larvae, and once they’re carried into the ant nest, they feed on the real larvae. The findings were published in Proceedings of…
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Hirsutes You Sir: But That Beard Might Mean More To Men Than Women
by Staff •
What is the point of a beard, evolutionarily speaking? Children, women, and a whole bunch of men manage just fine without one. But take a walk down some streets these days and youll be confronted with all sizes and shapes of groomed (and less groomed) facial hair from designer stubble to waxed moustaches and hipster…
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Huge Variation In Rattlesnake Venom Reveals Intense Arms Race Against Squirrels
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Just as war drives the development of new technologies and weapons in the human world, the evolutionary arms race between predator and prey species causes both to constantly update their biological arsenals. The amazing precision of this natural weaponry is revealed in a new study that illustrates how rattlesnakes tailor their venom to ensure it…
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Scientists Discover Extraordinary Jurassic Fossil Bed In Argentina
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Palaeontologists in southern Argentina have uncovered an enormous networkof fossils dating back to the Jurassic period, enabling them to reconstruct an entire ecosystem that has remained frozen in time for around 140 to 160 million years. The discovery occurred in the locality of La Bajada, in a region of southeast Patagonia called the Deseado Massif,…
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Do Parasitic Cuckoos Evolve Faster Than Non-Parasitic Ones?
by Staff •
Brood parasites like cuckoos lay their eggs in the nests of other birds a costly interaction that has led to the evolution of host defenses, followed by reciprocal counter-adaptations in parasites. This rapidly evolving arms race has resulted in noticeable changes in just a few decades. According to new findings published in Proceedings of the…
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Evolution Of Miley Cyrus Medley
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Mitch Grassi and Scott Hoying of Pentatonix and SUPER FRUIT are back with another epic pop music medley. They last went viral in March with their diva Evolution of Beyonce. That medley stands with over 4 million views! Now, they have returned to cover all of the best hits by the one and only Miley Cryus. In one day their…