News tagged with morphology

Mutation speeds up sperm of zebra finches

In zebra finches, sperm velocity and morphology and hence reproductive success strongly depend on a specific mutation (an inversion) on one of the sex chromosomes, called Z. This was discovered by scientists of the Max Planck ...

dateJul 17, 2017 in Plants & Animals
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Rapid rise of the Mesozoic sea dragons

In the Mesozoic, the time of the dinosaurs, from 252 to 66 million years ago, marine reptiles such as ichthyosaurs and plesiosaurs were top predators in the oceans. But their origins and early rise to dominance have been ...

dateMay 20, 2016 in Archaeology & Fossils
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Environment affects an organism's complexity

Scientists have demonstrated that organisms with greater complexity are more likely to evolve in complex environments, according to research published this week in PLOS Computational Biology. The researchers, based at École ...

dateJan 02, 2014 in Evolution
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On the edge of Tyagaraja

Here's a rather interesting view from orbit around the innermost planet: Mercury's Tyagaraja crater, the interior of which is seen here in an oblique-angled image acquired by the MESSENGER spacecraft on November 12, 2011 ...

dateAug 20, 2013 in Space Exploration
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