Skepticism about claim human ancestors nearly went extinct
Could the lives of the eight billion people currently on Earth have depended on the resilience of just 1,280 human ancestors who very nearly went extinct 900,000 years ago?
Could the lives of the eight billion people currently on Earth have depended on the resilience of just 1,280 human ancestors who very nearly went extinct 900,000 years ago?
Evolution
Sep 15, 2023
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465
Epidemiological studies have shown that infertility affects 12% to 15% of couples of reproductive age in developed countries, and at least 25% in underdeveloped ones—overall, 186 million people worldwide. In about 40% of ...
Cell & Microbiology
Aug 3, 2023
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20
For the first time, scientists have managed to induce virgin birth in an animal that usually reproduces sexually: the fruit fly Drosophila melanogaster.
Biotechnology
Jul 28, 2023
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409
Many Americans can trace some lines of their family tree back to the 1600s. However, African Americans descended from enslaved Africans, who began arriving in North America in 1619, lack ancestral information spanning several ...
Biotechnology
Jul 6, 2023
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89
In 1857, a young pediatrician named Theodor Escherich discovered what may very well be the most well-studied organism today. The rod-shaped bacterium named Escherichia coli, better known as E. coli, is a very common microbe ...
Cell & Microbiology
Jul 5, 2023
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43
Orangutans are dependent on their mothers longer than any other non-human animal, nursing until they are at least six years old and living with her for up to three years more, learning how to find, choose, and process the ...
Plants & Animals
Jul 5, 2023
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757
Despite being densely packed to fit into the nucleus, chromosomes storing our genetic information are always in motion. This allows specific regions to come into contact and thereby activate a gene. A group of scientists ...
Cell & Microbiology
Jun 29, 2023
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50
The lung is by no means a sterile place, as was assumed for a long time. In fact, it actually harbors a diverse microbial ecosystem. We know from previous studies that changes in the lung microbiome are associated with diseases ...
Cell & Microbiology
Jun 5, 2023
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46
To prevent a global health crisis, scientists around the world are searching for ways to fight bacteria that can evade the current arsenal of antibiotics.
Biochemistry
Jun 1, 2023
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36
UCLA researchers have developed an "all-in-one," next-generation statistical simulator capable of assimilating a wide range of information to generate realistic synthetic data and provide a benchmarking tool for medical and ...
Biotechnology
May 11, 2023
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65