Early ancestral bottleneck could've spelled the end for modern humans
How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today.
How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today.
Evolution
Aug 31, 2023
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Over the past 500 million years, different single-celled organisms in the oceans have discovered at different times and also under very different conditions how to build a 'shell' around their single cell. "Six different ...
Earth Sciences
Aug 24, 2023
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Biological cells undergo a process known as "heat stress response" when exposed to excessively high temperatures. Heat stress triggers a cascade of signaling mechanisms to produce a variety of heat shock proteins (Hsps), ...
Cell & Microbiology
Aug 21, 2023
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A team of paleontologists from Brazil, Argentina and the U.S., has found the fossilized remains of a creature they describe as a precursor to the pterosaur at a dig site in Rio Grande do Sul, Brazil. In their paper published ...
There are several parallel projects running across the world to save the northern white rhinoceros (Ceratotherium simum simum), one of Africa's captivating and iconic wildlife species. With the death of last male in 2018 ...
Plants & Animals
Aug 14, 2023
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Monash University researchers supporting Zoos Victoria to breed the Critically Endangered Helmeted Honeyeater with another subspecies to improve genetic health and fitness, have found that the benefits of such genetic mixing ...
Ecology
Aug 9, 2023
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Anyone who has taken a long road trip or bike ride has used a product of the spurge plant family—rubber. The spurge family, or Euphorbiaceae, includes economically valuable plants like the rubber tree, castor oil plant, ...
Evolution
Jul 25, 2023
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Immune systems develop specific genes to combat common bacteria such as those found in food, new research shows.
Evolution
Jul 20, 2023
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The urge to draw images in sand, or create sand sculptures, seems to be irresistible, as a walk on many a modern beach or dune surface will show. Sand is a vast canvas—and may have been used as one for far longer than people ...
Archaeology
Jul 20, 2023
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Blastocystis is one of the most common microbes found in our guts but its role in human health is poorly understood. Blastocystis infection can lead to diarrhea, nausea, weight loss and fatigue, yet the microbe's presence ...
Evolution
Jul 14, 2023
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