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Natural selection and spatial memory link shown in mountain chickadee research

University of Nevada, Reno research results provide the first direct evidence for natural selection on spatial cognition in wild food-caching mountain chickadees in one-of-a-kind in the world high-altitude field lab. Credit: Vladimir Pravosudov, University of Nevada, Reno Chickadees with better learning and memory skills, needed to find numerous food caches, are more likely to survive…

New molecular blueprint advances our understanding of photosynthesis

The cryo-EM structure of the NAD(P)H dehydrogenase-like complex (NDH). The atomic coordinate model shown as spheres, colored according to the different subunits, in front of an electron micrograph of frozen NDH particles in the background. Credit: Thomas Laughlin/UC Berkeley and Berkeley Lab Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have…

Neanderthal footprints found in Gibraltar

The place where the footprint was found. Credit: Universdad de Sevilla The  international journal Quaternary Science Reviews has just published a paper which has involved the participation of Gibraltarian scientists from The Gibraltar National Museum alongside colleagues from Spain, Portugal and Japan. The results which have been published come from an area of the Catalan…

Giant ‘megalodon’ shark extinct earlier than previously thought

Megalodon extinction graphical abstract. Credit: Robert Boessenecker Megalodon -- a giant predatory shark that has inspired numerous documentaries, books and blockbuster movies -- likely went extinct at least one million years earlier than previously thought, according to new research published Feb. 13 in PeerJ -- the Journal of Life and Environmental Sciences. Earlier research, which…

New frog species found on remote Ethiopian mountain

A new species of puddle frog (female Phrynobatrachus bibita sp. nov.) from an unexplored mountain in southwestern Ethiopia. Credit: Courtesy NYU Abu Dhabi researchers S. Goutte and J. Reyes-Velasco. In summer 2018, NYU Abu Dhabi Postdoctoral Associates Sandra Goutte and Jacobo Reyes-Velasco explored an isolated mountain in southwestern Ethiopia where some of the last primary…

Uncovering the evolution of the brain

A stylized microscopy image of forebrain neural progenitor cells from chimpanzees described in the publication. The image represents the work’s potential for offering insights into the evolution of the primate tree of life. Credit: Salk Institute/Carol Marchetto/Ana P.D. Mendes What makes us human, and where does this mysterious property of "humanness" come from? Humans are…

In the squirrel world, prime real estate is determined by previous...

This is a Red Squirrel's midden with news cones. Credit: Kluane Red Squirrel Project A young squirrel lucky enough to take over territory from an adult male squirrel is like a teenager falling into a big inheritance, according to a new University of Guelph study. Researchers found male squirrels store more food than females, and…

A surprisingly early replacement of Neanderthals by modern humans in southern...

A new study of Bajondillo Cave (Málaga) by a team of researchers based in Spain, Japan and the UK, coordinated from the Universidad de...

Ancient Carpet Shark Discovered with ‘Spaceship-Shaped’ Teeth

The world of the dinosaurs just got a bit more bizarre with a newly discovered species of freshwater shark whose tiny teeth resemble the...

Returning indigenous remains to their ancestral lands, thanks to ancient DNA

Genomic analyses can reveal the geographic origins of indigenous Aboriginal Australian remains currently held in museums, a new study reports. Critically, this could allow...

Illuminating women’s role in the creation of medieval manuscripts

During the European Middle Ages, literacy and written texts were largely the province of religious institutions. Richly illustrated manuscripts were created in monasteries for...

Study finds dinosaurs battled overheating with nasal air-conditioning

Researchers have long wondered how gigantic, heavily armored dinosaurs, such as the club-tailed ankylosaurs that lived in sweltering climates, avoided overheating. While their large...

How climate change caused the world’s first ever empire to collapse

Gol-e-Zard Cave lies in the shadow of Mount Damavand, which at more than 5,000 metres dominates the landscape of northern Iran. In this cave,...

Satellite data exposes looting

More than 2,500 years ago, horse riding nomads expanded their cultural realm throughout the Eurasian steppe from Southern Siberia to Eastern Europe. These tribes...

Flowers originated 50 million years earlier than previously thought

Analysis of fossil specimens of a flower called Nanjinganthus from the Early Jurassic (more than 174 million years ago) suggests that flowers originated 50...

Powerful Icelandic Vikings were buried with stallions

Iceland was a heavily forested, uninhabited island until the Vikings settled there in the 870s. The first Vikings were, according to stories in the Landnámabók,...

Finger fossil puts people in Arabia at least 86,000 years ago

A single human finger bone from at least 86,000 years ago points to Arabia as a key destination for Stone Age excursions out of...

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