Search results for vertebrate

Plants & Animals Oct 20, 2020

Newly discovered gene may give 'sea pickles' their glow

A new study describes a bioluminescent gene that could be the reason that so-called 'sea pickles,' or pyrosomes, an underwater free-floating colony of thousands of tiny animals, reverberate in blue-green light. If confirmed, ...

Ecology Oct 19, 2020

Humans and climate drove giants of Madagascar to extinction

Nearly all Madagascan megafauna—including the famous dodo bird, gorilla-sized lemurs, giant tortoises, and the Elephant Bird, which stood 3 meters tall and weighted close to a half ton—vanished between 1,500 and 500 years ...

Space Exploration Oct 16, 2020

BepiColombo slows down at Venus en route to Mercury

Approaching Venus from its day side, passing the planet, using its gravitational pull to slow down and continuing on its night side on course for Mercury: On Thursday 15 October 2020, at 05:58 CEST, ESA's BepiColombo spacecraft ...

Archaeology & Fossils Oct 15, 2020

Researchers discover fossils of new species in Arizona

Researchers have discovered fossils of a tiny burrowing reptile among a vast expanse of petrified wood in eastern Arizona.

Ecology Oct 13, 2020

First scientific description of a previously unknown Streptococcus species of Chacoan peccaries

The species richness of zoo and wild animals is reflected in the diversity of infectious agents they harbor. However, our knowledge is sparse and pathogen detection remains challenging. For streptococci, a bacterial family ...

Cell & Microbiology Oct 13, 2020

How deadly parasites 'glide' into human cells

In biological terms, gliding refers to the type of movement during which a cell moves along a surface without changing its shape. This form of movement is unique to parasites from the phylum Apicomplexa, such as Plasmodium ...

Molecular & Computational biology Oct 07, 2020

Mammals share gene pathways that allow zebrafish to grow new eyes

Working with fish, birds and mice, Johns Hopkins Medicine researchers report new evidence that some animals' natural capacity to regrow neurons is not missing, but is instead inactivated in mammals. Specifically, the researchers ...

Archaeology & Fossils Oct 07, 2020

Paleontologists identify new species of mosasaur

A new species of an ancient marine reptile evolved to strike terror into the hearts of the normally safe, fast-swimming fish has been identified by a team of University of Alberta researchers, shedding light on what it took ...

Evolution Oct 07, 2020

New study rebuts 75-year-old belief in reptile evolution

Challenging a 75-year-old notion about how and when reptiles evolved during the past 300 million-plus years involves a lot of camerawork, loads of CT scanning, and, most of all, thousands of miles of travel. Just check the ...

Evolution Oct 05, 2020

Snakes reveal the origin of skin colours

The skin color of vertebrates depends on chromatophores—cells found in the superficial layers of the epidermis. A team of specialists in genetic determinism and color evolution in reptiles from the University of Geneva ...

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