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Dr. Hans Recknagel, who led the field and genome research during his Ph.D. and postdoctoral research, said: This was fascinating research, not least because in this species of lizard egg-laying populations still occur and interbreed with live-bearing ones.

Scientists studying the evolution of birth in lizards, from egg-laying to live births, have pinpointed the evolutionary genes from which the species is evolving to ‘build’ a new mode of reproduction.

The study—led by the University of Glasgow and published in Nature Ecology and Evolution —found that a significantly similar amount of the same genes involved in the pregnancy of lizards were shared with other mammals and live-bearing vertebrates.

Evolving from egg-laying to live birth—also known as viviparity—is a major evolutionary step; however, it is almost impossible to study the genes that lead to such major changes because when animals have evolved live-birth it was usually in the distant past.

Continue reading “Scientists pinpoint evolutionary genes that allow lizards to give birth like mammals” | >

A FIVE-DAY COURSE of molnupiravir, the new medicine being hailed as a “huge advance” in the treatment of Covid-19, costs $17.74 to produce, according to a report (pdf) issued last week by drug pricing experts at the Harvard School of Public Health and King’s College Hospital in London. Merck is charging the U.S. government $712 for the same amount of medicine, or 40 times the price. (taxpayer funded mind you)

The Covid-19 treatment molnupiravir was developed using funding from the National Institutes of Health and the Department of Defense.

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Scientists also analysed microbial genetic material from the stool of men with prostate cancer and identified a specific bacterium – Ruminococcus – that may play a major role in the development of resistance. In contrast, the bacterium Prevotella stercorea was associated with favourable clinical outcomes.

Image: Section of a mouse gut. Credit: Kevin Mackenzie, University of Aberdeen.

Common gut bacteria can fuel the growth of prostate cancers and allow them to evade the effects of treatment, a new study finds.

Scientists revealed how gut bacteria contribute to the progression of advanced prostate cancers and their resistance to hormone therapy – by providing an alternative source of growth-promoting androgens, or male hormones.

Continue reading “‘Gut bugs’ can drive prostate cancer growth and treatment resistance” | >

Tesla Giga Shanghai has officially exceeded the Fremont Factory’s output, according to Elon Musk’s calculations. As Tesla’s main export hub, Giga Shanghai’s output will play a significant role in the company’s global growth.

“We have three new factories. Giga Shanghai has done an incredible job. And Giga Shanghai now exceeds Fremont in production,” Musk announced at the 2021 Annual Shareholders Meeting.

Musk pointed out that Tesla Giga Shanghai took roughly 11 months to build and reached full volume production a year later. Since Giga Shanghai started operations, Tesla’s production and delivery numbers have noticeably increased.

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Specialized cells that conduct electricity to keep the heart beating have a previously unrecognized ability to regenerate in the days after birth, a new study in mice by UT Southwestern researchers suggests. The finding, published online in the Journal of Clinical Investigation, could eventually lead to treatments for heart rhythm disorders that avoid the need for invasive pacemakers or drugs by instead encouraging the heart to heal itself.

“Patients with arrhythmias don’t have a lot of great options,” said study leader Nikhil V. Munshi, M.D., Ph.D., a cardiologist and Associate Professor of Internal Medicine, Molecular Biology, and in the Eugene McDermott Center for Human Growth and Development. “Our findings suggest that someday we may be able to elicit regeneration from the heart itself to treat these conditions.”

Dr. Munshi studies the cardiac conduction system, an interconnected system of specialized that generate electrical impulses and transmit these impulses to make the heart beat. Although studies have shown that nonconducting heart muscle cells have some regenerative capacity for a limited time after birth—with many discoveries in this field led by UTSW scientists—conducting cells called nodal cells were largely thought to lose this ability during the fetal period.

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Okay…very odd indeed.

As already mentioned, the Saudi Arabian Government officially granted Sophia citizenship in 2017. She is the first and only robot to be an official citizen of a country. Her citizenship sparked some controversy, and not just from people who don’t think robots deserve rights. Rather, many people pointed out the contrast to women’s rights in the country.

Read: A Never-Before-Seen Type of Signal Has Been Detected in The Human Brain

Continue reading “World’s First Robot Citizen Sophia Said She Wants To Have A Baby” | >

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Wednesday, november 3rd at 11 AM ET

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Continue reading “Webinar: Unlocking the Future of Asset Management with Agile Mobile Robots” | >

It probably didn’t feel like much, but that simple kind of motion required the concerted effort of millions of different neurons in several regions of your brain, followed by signals sent at 200 mph from your brain to your spinal cord and then to the muscles that contracted to move your arm.

At the cellular level, that quick motion is a highly complicated process and, like most things that involve the human brain, scientists don’t fully understand how it all comes together.

Now, for the first time, the neurons and other cells involved in a region of the human, mouse and monkey brains that controls movement have been mapped in exquisite detail. Its creators, a large consortium of neuroscientists brought together by the National Institutes of Health’s Brain Research Through Advancing Innovative Neurotechnologies® (BRAIN) Initiative, say this brain atlas will pave the way for mapping the entire mammalian brain as well as better understanding mysterious brain diseases — including those that attack the neurons that control movement, like amyotrophic lateral sclerosis, or ALS.

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