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Lab-cultured mouse embryos, grown for an extended period, offer a new window on fetal development


Lab-cultured mouse embryos, grown for an extended period, offer a new window on fetal development
In the course of an experiment pushing the length limits of in vitro growth, mouse embryos went from translucent clumps of cells to fetuses with beating hearts and blood cells. Image credit: Jacob Hanna
In a potential methods breakthrough, stem cell biologists grew mouse embryos for five-and-a-half days in vitro, longer than ever before. Appearing recently in
Nature, the study unveils new protocols and equipment, including a temperature-and-pressure-controlled incubator that enabled the coauthors to push the boundaries of embryo culture in the lab. Long-lived laboratory mouse embryos could be a revolutionary tool to study development and possibly to pinpoint when and how disorders arise. ....

University Of Texas Southwestern Medical Center , United States , Jun Wu , Jacob Hanna , Weizmann Institute Of Science , Weizmann Institute , Texas Southwestern Medical Center , பல்கலைக்கழகம் ஆஃப் டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் , ஒன்றுபட்டது மாநிலங்களில் , ஜூன் வு , ஜாகோப் ஹன்னா , வெய்ஸ்மேன் நிறுவனம் ஆஃப் அறிவியல் , வெய்ஸ்மேன் நிறுவனம் , டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் ,

Can fully vaccinated people still get COVID-19?


Can fully vaccinated people still get COVID-19?
Over 143 million COVID-19 doses have been administered here in the U.S. As more and more Americans get their shots, many are wondering just how common it is for vaccinated people to get infected with the virus.
By:
Dr. Partha Nandi
and last updated 2021-04-06 08:22:08-04
(WXYZ) — Over 143 million COVID-19 doses have been administered here in the U.S. As more and more Americans get their shots, many are wondering just how common it is for vaccinated people to get infected with the virus.
Breakthrough cases are happening. That’s when a person who s been fully vaccinated gets infected with the virus. But don’t let that scare you. Because two real-world studies show that the risk overall is quite small. Now, the one study involved the University of Texas Southwestern Medical Center in Dallas. Over 8,000 employees participated and all were fully vaccinated - meaning they got both dos ....

United States , University Of Texas Southwestern Medical Center , University Of California , Texas Southwestern Medical Center , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் , பல்கலைக்கழகம் ஆஃப் கலிஃபோர்னியா , டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் ,

Human heart adapts to space by shrinking 27%


Human heart adapts to space by shrinking 27%
Updated
El Broide
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A
scientific study reveals that Scott Kelly’s heart shrunk by one third during the
year he spent on the International Space Station.
Astronaut Scott Kelly jetted off on the
adventure of a lifetime on March
27, 2015, where he spent an historic 340-day mission aboard the International
Space Station. Kelly made sure to stay active by exercising six days a week
with the help of a treadmill, a stationary bicycle, and a resistance machine. Upon his return, however, a scientific study reveals that his heart shrunk by a third, with the official results published in the journal Circulation on Monday, March 29 2021. ....

University Of Texas Southwestern Medical Center , United States , Scott Kelly , Benjamind Levine , Texas Health Presbyterian Dallas , Nastronaut Scott Kelly , International Space , Texas Southwestern Medical Center , International Space Station , Let Vic , Human Heart , பல்கலைக்கழகம் ஆஃப் டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் , ஒன்றுபட்டது மாநிலங்களில் , ஸ்காட் கெல்லி , டெக்சாஸ் ஆரோக்கியம் ப்ரெஸ்பிடீரியந் டல்லாஸ் , விண்வெளி ஸ்காட் கெல்லி , சர்வதேச இடம் , டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் , சர்வதேச இடம் நிலையம் , விடுங்கள் விக் , மனிதன் இதயம் ,

Brisk walking is good for the aging brain


 
Gretchen Reynolds, The New York Times 
Published: 04 Apr 2021 11:18 AM BdST
Updated: 04 Apr 2021 11:18 AM BdST
DES MOINES, IOWA BC-WELL-EXERCISE-COVID-RECOVERY-ART-NYTSF Heart and lung damage can happen after even mild illness, prompting doctors to recommend caution before returning to your workout. (Kathryn Gamble for The New York Times)
Brisk walking improves brain health and thinking in aging people with memory impairments, according to a new, yearlong study of mild cognitive impairment and exercise. In the study, middle-aged and older people with early signs of memory loss raised their cognitive scores after they started walking frequently. Regular exercise also amplified the healthy flow of blood to their brains. The changes in their brains and minds were subtle but consequential, the study concludes, and could have implications not just for those with serious memory problems, but for any of us whose memories are starting to fade with age. ....

New York , United States , University Of Texas Southwestern Medical Center , Rong Zhang , Ut Southwestern Medical Center , York Times Company , Texas Southwestern Medical Center , Medical Center , New York Times , Brisk Walking , Aging Brain , புதியது யார்க் , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் , றோங்க் ஜாங் , உட் தென்மேற்கு மருத்துவ மையம் , யார்க் முறை நிறுவனம் , டெக்சாஸ் தென்மேற்கு மருத்துவ மையம் , மருத்துவ மையம் , புதியது யார்க் முறை , விறுவிறுப்பான நடைபயிற்சி ,