A method for turning male cells into egg cells in mice could one day be used to help men in a same-sex couple have children who are genetically related to them both.
This is a clip from Technocalyps, a documentary in three parts about the exponential growth of technology and trans-humanism, made by Hans Moravec. The documentary came out in 1998, and then a new version was made in 2006. This is how the film-makers themselves describe what the movie is about:
“The accelerating advances in genetics, brain research, artificial intelligence, bionics and nanotechnology seem to converge to one goal: to overcome human limits and create higher forms of intelligent life and to create transhuman life.”
Continue reading “When will a computer surpass the human brain?” »
Reverse the aging process and live decades longer? Transfer your brain onto a database and achieve digital immortality? Humans one day may have such options.
Regeneration, Resuscitation & Biothreat Countermeasures — Commander Dr. Jean-Paul Chretien, MD, Ph.D., Program Manager, Biological Technology Office, DARPA
Commander Dr. Jean-Paul Chretien, MD, Ph.D. (https://www.darpa.mil/staff/cdr-jean-paul-chretien) is a Program Manager in the Biological Technology Office at DARPA, where his research interests include disease and injury prevention, operational medicine, and biothreat countermeasures. He is also responsible for running the DARPA Triage Challenge (https://triagechallenge.darpa.mil/).
Europe was covered in thick ice sheets around the time of the last glacial maximum around 20,000 years ago, during which time sea levels were more than a hundred metres lower than today.
Shielding themselves from the frigid conditions in western Europe, cave-dwelling humans occupied rock shelters and caverns and in one site near Granada in Spain, archaeologists have unearthed remains providing the oldest human genome recorded in the region.
This 23,000-year-old genome from Cueva del Malalmuerzo is the oldest found in the Andalusian region and one of the oldest recorded. Researchers from the Max Planck Institute for Evolutionary Anthropology have connected these genetic remains to those of a 35,000-year-old Belgian specimen found in 2016.
Forget about He Jiankui, the Chinese scientist who created gene-edited babies. Instead, when you think about gene editing you should think of Victoria Gray, the African-American woman who says she’s been cured of her sickle-cell disease symptoms.
This week in London, scientists are gathering for the Third International Summit on Human Genome Editing. It’s gene editing’s big event, where researchers get to awe the audience with their new ability to modify DNA—and ethicists get to worry about what it all means.
As COVID has demonstrated, when pathogens are moving through the population, we adjust, limiting interactions, even isolating, and generally changing the way we associate with one other. Humans are not alone. New research from Harvard scientists provides some insight into how pathogens change animal social behaviors.
“Extreme environmental conditions have a very strong influence on all animals,” said Yun Zhang, a professor in the Department of Organismic and Evolutionary Biology. But while this behavior has been seen in animals from simple fruit flies all the way up to primates, researchers have not understood what happens inside an individual animal’s brain that leads to infection-induced changes in social behavior.
In their new paper, published in Nature, Zhang and colleagues studied the small roundworm C. elegans, which exists in nature with two sexes: hermaphrodites that produce both eggs and sperm, and males. Under normal conditions, the hermaphrodites are loners, preferring to self-reproduce over mating with males. However, Zhang’s team found that the hermaphrodite worms infected by a pathogenic strain of the bacterium Pseudomonas aeruginosa became more interested in one another and increased their mating with males.
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In this Ask Me Anything interview, Prof. Matt Kaeberlein discusses the evidence (and lack thereof) behind popular anti-aging supplements and interventions. Starting from his current research on rapamycin for healthy longevity in dogs (The Dog Aging Project), he describes the promises and perils of anti-aging medicine and shares with us some tips on how to become better critical thinkers and protect us from hype and snake oil.
Continue reading “Anti-aging Supplements: Science, Snake Oil, and How Do We Know?” »
Rational Virology Research For Human Health & Pandemic Prevention — Dr. Felicia Goodrum Sterling, Ph.D. Professor, Department of Immunobiology, The University of Arizona.
Dr. Felicia Goodrum, Ph.D. (https://profiles.arizona.edu/person/fgoodrum) is Interim Associate Department Head and Professor of Immunobiology, as well as Professor, BIO5 Institute, Cellular and Molecular Medicine, Molecular and Cellular Biology, Cancer Biology And Genetics Graduate Interdisciplinary Programs, at the University of Arizona.
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Continue reading “Exercise Timing Is Associated With All-Cause Mortality Risk” »
