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Letitia Denham

Table of Contents Mysterious Australian Night Parrots May Not See in the Dead of NightScientists Unravel the Evolution and Relationships for All European ButterfliesNew Insight Into the Great DyingRadioactive Cloud Over Europe Had Civilian BackgroundRemixed Mantle Suggests Early Start of Plate TectonicsMixture and Migration Brought Food Production to Sub-Saharan AfricaDiscovery […]

Mysterious Australian Night Parrots May Not See in the Dead of Night

Australia’s most elusive bird, the Night Parrot, may not be much better at seeing in the dark than other parrots active during the day. New research reveals that the critically endangered parrot’s visual system is not as well-adapted to life in the dark as would be expected for a nocturnal bird, raising concerns it might be adversely impacted by fencing in the Australian …


Scientists Unravel the Evolution and Relationships for All European Butterflies

For the first time, a complete time-calibrated phylogeny for a large group of invertebrates is published for an entire continent. Scientists provide a diagrammatic hypothesis of the relationships and evolutionary history for all 496 extant European species of butterflies. Their work provides an important tool for evolutionary and ecological …


The first-ever detailed analysis of the diet of great white sharks has shown they spend more time feeding at the seafloor than many would …


New Insight Into the Great Dying

The collapse of terrestrial ecosystems during Earth’s most deadly mass extinction event was directly responsible for disrupting ocean chemistry, according to new …


Radioactive Cloud Over Europe Had Civilian Background

A mysterious cloud containing radioactive ruthenium-106, which moved across Europe in 2017, is still bothering Europe’s radiation protection entities. German researchers now found out that the cloud did not originate from military sources but rather from civilian nuclear …


Remixed Mantle Suggests Early Start of Plate Tectonics

New research on the remixing of Earth’s stratified deep interior suggests that global plate tectonic processes, which played a pivotal role in the existence of life on Earth, started to operate at least 3.2 billion years …


Mixture and Migration Brought Food Production to Sub-Saharan Africa

A new interdisciplinary study reports on 20 newly sequenced ancient genomes from sub-Saharan Africa, including the first genomes from the Democratic Republic of the Congo, Botswana, and Uganda. The study documents the coexistence, movements, interactions and admixture of diverse human groups during the spread of food production in sub-Saharan …


Discovery of Oldest Bow and Arrow Technology in Eurasia

The origins of human innovation have traditionally been sought in the grasslands and coasts of Africa or the temperate environments of Europe. More extreme environments, such as the tropical rainforests of Asia, have been largely overlooked, despite their deep history of human occupation. A new study provides the earliest evidence for bow-and-arrow use, and perhaps the making of clothes, outside …


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California State University, Northridge

CSUN Is a Force for Good, and We Will Do More To the Campus Community, Across the country and around the world, people are declaring that Black lives matter and demanding an end to deep-rooted racism and inequality. At CSUN, we agree, and we add our voice to those calling […]