Lizard produces eggs and live young
Vertebrate observed spreading its reproductive options.
Versatility, it is generally acknowledged, is a useful evolutionary trait, but an Australian lizard, the three-toed s...
Water beetles mate to an evolutionary standstill
Adaptations to male harassment result in speciation barrier.
A species of diving beetle is having mating problems, and that’s of interest to more than just diving beetles. Grapo...
Amoebas diversified earlier than thought
Study challenges standard view on ancient diversity.
Amoebas diversified at least 750 million years ago, far earlier than previously thought, researchers have revealed. ...
Crocodiles have evolved more than we think
Research pinpoints three shifts from terrestrial to aquatic.
If you’ve ever looked at a crocodile and felt like you were looking at a window to the Jurassic Period, you aren’t al...
Weird worms challenge complexity argument
New classification sheds light on evolution of simplification.
Looking like a character from a gothic fantasy, a chaetognath. Credit: Creative Commons Japanese scientists have ...
Lynn Margulis, contrarian to the end
Scientist revolutionised evolutionary theory.
Evolutionary biologist Lynn Margulis has variously been regarded as a revolutionary and an eccentric. The web encyclo...
Vertebrate evolution kicked off in lagoons
First animals with backbones traced to shallow “hot-spots”.
Scientists have discovered that shallow, lagoon-like environments were the cradle for vertebrate evolution, giving ri...
How Nemo got his stripes
Clownfish variation reflects evolutionary pressures.
Coral reef fish display all sorts of patterns and colours. One of the most recognisable is that of the clownfish – a ...
The evolution of the mammal brain
A structure unique to placental brains evolved from a network found in marsupials and monotremes.
Ancient neural connections found in the brains of marsupials and monotremes provide clues to the evolution of the hum...
Ultra-violet experiment confirms “Darwin’s moths”
First observed natural selection proven from an avian perspective.
New research published in the journal Communications Biology has provided the final piece of evidence needed to confi...
All-female salamander species steals sperm
Unisex amphibians beat the evolutionary odds.
Sex is expensive: it eats time, energy and resources. But the genetic diversity it produces is key to long-term evolu...
Bat DNA hosts stolen Ebola genes
Bats adopt parts of the DNA of the deadly virus.
Filoviruses like Marburg and Ebola produce terrifying and often fatal haemorrhagic fevers. New research, however, sho...