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Evolution May 06, 2021

Comprehensive genetic analyses confirm four different giraffe species and seven subspecies

Visually, they are hardly distinguishable, but genetic analyses show: There are four distinct species of giraffe and seven subspecies. This result was obtained by an international team led by Prof. Dr. Axel Janke from the ...

Ecology Apr 19, 2021

Rangers battle human encroachment in Sudan's biggest park

Tucked away by the Ethiopian border, Sudan's Dinder National Park boasts the country's most diverse wildlife, but rangers face a daily battle to protect it as human encroachment mounts.

Evolution Apr 14, 2021

Gigantic flying pterosaurs had spoked vertebrae to support their 'ridiculously long' necks

Little is known about azhdarchid pterosaurs, gigantic flying reptiles with impressive wingspans of up to 12 meters. Cousins of dinosaurs and the largest animals ever to fly, they first appeared in the fossil record in the ...

Plants & Animals Apr 08, 2021

Whale and dolphin brains produce lots of heat

We have all heard the mantra that dolphins and whales (cetaceans) are highly intelligent animals. Some claim they're on par with great apes and humans—maybe even smarter. But where does this concept come from?

Plants & Animals Apr 03, 2021

April, the giraffe that became an online star, dies

April, the giraffe that became a sensation when a rural New York zoo livestreamed her 2017 pregnancy and delivery, was euthanized Friday because of advancing arthritis, the zoo said.

Astronomy Mar 22, 2021

Chilean researchers investigate chemical composition of globular cluster NGC 6553

Using the Very Large Telescope (VLT), astronomers from Chile have performed a chemical analysis of a sample of stars in the globular cluster NGC 6553. Results of this study, available in a paper published March 12 on the ...

Plants & Animals Mar 17, 2021

The trouble of being tall: Giraffes and their genes

The giraffe is a truly puzzling animal. With its exceptional anatomy and suite of evolutionary adaptations, the giraffe is an outstanding case of animal evolution and physiology. Now, an international team of researchers ...

Biotechnology Mar 10, 2021

Accurately editing genes in living cells means grappling with knots in DNA

Gene editing with CRISPR enzymes inside living cells could become more effective and accurate after researchers at The University of Texas at Austin unveiled how inner workings can help or hinder the process.

Veterinary medicine Mar 03, 2021

Giraffe dies at L.A. Zoo after delivery of stillborn calf

A giraffe has died at the Los Angeles Zoo after undergoing a procedure to deliver her stillborn calf, the zoo announced Tuesday.

Plants & Animals Mar 02, 2021

Trailing giants: Clues to how people and giraffes can thrive together

The giraffe (Giraffa camelopardalis) is an iconic megaherbivore whose populations are declining across Africa, the only continent where they are found. Giraffe numbers have plummeted from an estimated 150,000 in 1985 to fewer ...

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