Early land animals skipped the tadpole phase
Current amphibian development may not have been typical of early land vertebrates. O recorte ajuda a contextualizar a pauta dentro de Tech.
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Hope for spinal injuries as pigs walk again after experimental gel treatment for severed s
In humans and other mammals, spinal cord injuries can be devastating, leading to permanent loss of movement, sensation and bladder control. When severed axons (the long fibers that carry messages between nerve cells) cannot regrow, a dense scar forms, preventing nerve signals fro
How YouTube shapes public understanding of avian influenza
A new study analyzing more than 11,000 YouTube videos and comments found that online narratives surrounding avian influenza evolved alongside major outbreak developments, including increasing reports of infections in mammals, sporadic human cases and economic consequences. While
Zebrafish brains reveal alternate route for senses to the forebrain shared with mammals
Line up the brains of a fish, bird and a mammal, and something unexpected comes up. You do not see three different answers to the problem of making sense of the world. You see one answer, tilted three different ways. "You can really see it's almost like a continuum," says Emre Ya
Remarkable fossils rewrite the story of how animals conquered the land
Palaeontologists have found new evidence that the early ancestors of amphibians, reptiles and mammals did not have a larval stage with external gills like modern frogs or salamanders
Tasmanian devils, swift parrots, black swans: the animals at risk if bird flu takes off in
Federal government identifies more than 150 native and unique bird species and 10 mammal species at ‘very high risk’Get our breaking news email, free app or daily news podcastMore than 150 of Australia’s native and unique bird species have been assessed as being at “very high ris
Do bees have inner lives? Slow-motion video reveals bumblebee behaviour similar to ‘liking
Bees respond to tasty treats or plain water based on context, a study that may provide support for establishing insect sentience showsGet our breaking news email, free app or daily news podcastWhen bumblebees taste something good, they reach out their glossa – or insect tongue –
Watch: We're a step closer to finding out if bees have feelings, here's why
New research found bumblebees showed "emotion-like behaviours" previously only seen in mammals. O recorte ajuda a contextualizar a pauta dentro de Viagem.
Skeleton of the world’s rarest marine mammal preserved by digital imaging
The reconstruction of the vaquita, whose numbers barely reach double figures in the wild, is designed to help research and conservation effortsScientists have created a digital reconstruction of the world’s most endangered marine mammal, preserving its anatomy in three dimensions
New data shows drop in Scotland's harbor seal numbers and sparks concern for gray seal pop
New research from the University of St Andrews has shown that there is a marked drop in the status of Scotland's harbor seal population, as well as in summer gray seal abundance, according to surveys conducted by the Sea Mammal Research Unit (SMRU). The report, commissioned by Na
A 1,000kg mammal is wreaking havoc in Tasmania – and Neil the seal is loved for it
The elephant seal has been crushing fences, blocking traffic and bashing into parked cars, in what experts say is play-fighting behaviourFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastBollards, traffic cones, fence
Were Clovis foragers in Late Pleistocene North America big-game hunters, or just big-game
There are currently 15 well-documented Late Pleistocene localities in North America in which Clovis points are found associated with proboscidean remains (of mammoth, mastodon and gomphothere). Archaeologists routinely assume these localities represent evidence that Clovis people