Search results for Salamander

Plants & Animals Apr 14, 2023

Benefits of 'zombie' cells: Senescent cells aid regeneration in salamanders

Senescent cells, often referred to as "zombie" cells, have long been associated with aging and disease. However, a new study from the Center for Regenerative Therapies Dresden (CRTD) at TU Dresden adds to a growing body of ...

Ecology Apr 12, 2023

What amphibians can tell us about water quality

Whether it occurs through the discharge of nutrients from agricultural operations into local streams or the discardment of plastic into the ocean, water pollution can negatively impact both human and environmental health. ...

Ecology Mar 31, 2023

Hope for salamanders? Study recalibrates climate change effects

For tiny salamanders squirming skin-to-soil, big-picture weather patterns may seem as far away as outer space. But for decades, scientists have mostly relied on free-air temperature data at large spatial scales to predict ...

Paleontology & Fossils Mar 29, 2023

Ancient giant amphibians swam like crocodiles 250 million years ago, says new study

Ancient 2-meter-long amphibians swam like crocodiles long before true crocodiles existed, according to a study published March 29, 2023, in the open-access journal PLOS ONE by David P. Groenewald of the University of the ...

Evolution Mar 17, 2023

Solving the paradox of how animals managed to evolve with bright colors without being eaten

A trio of evolutionary biologists, two with Carleton University, the other with Seoul National University, has apparently solved the paradox of aposematism—how animals managed to evolve with bright colors to warn predators ...

Plants & Animals Mar 15, 2023

Rapid surge in highly contagious killer fungus poses new threat to amphibians across Africa

Mass fungus infections that drive populations worldwide to near-collapse don't just occur in science fiction. Chytridiomycosis, the worst vertebrate disease in recorded history, has already wiped out hundreds of species of ...

Cell & Microbiology Mar 14, 2023

Regenerating bone with deer antler stem cells

Scientists from a collection of Chinese research institutions collaborated on a study of organ regeneration in mammals, finding deer antler blastema progenitor cells are a possible source of conserved regeneration cells in ...

Evolution Feb 22, 2023

A new model offers an explanation for the huge variety of sizes of DNA in nature

A new model developed at Tel Aviv University offers a possible solution to the scientific question of why neutral sequences, sometimes referred to as "junk DNA," are not eliminated from the genome of living creatures in nature ...

Ecology Feb 22, 2023

Mapping out a path to protecting Iran's endangered species

With the Iranian Government recently committing to increasing protected areas—such as national parks—to 20 percent of Iran's land, researchers have mapped out a way to identify the most important areas needed to protect the ...

Plants & Animals Feb 17, 2023

Mapping Iran's biodiversity hotspots to create new protected areas covering 20% of the landscape

Iran's ancient forests, rugged mountains, vast deserts and captivating coasts are rich in biodiversity, including animals found nowhere else on Earth. But many of these precious areas are not formally protected from development, ...

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