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Since India opened vaccinations to all adults this month, hoping to tame a disastrous coronavirus surge sweeping across the country, the pace of administering the shots has dropped with states saying they only have limited stock to give out. Cases meanwhile are still rising at record pace in the world’s second-most populous nation. Alongside a […]
South Africa suspended the start of its AstraZeneca inoculation programme over concerns the shot does not work on a new variant, with WHO experts due to meet Monday to discuss the vaccine already facing questions about its efficacy for over-65s. A trial showed the vaccine provides only “minimal” protection against mild to moderate COVID-19 caused […]
If anything happens to the eyes of the tiny, freshwater-dwelling planarian Schmidtea mediterranea, they can grow them back within just a few days. How they do this is a scientific conundrum—one that Peter Reddien’s lab at Whitehead Institute has been studying for years. The lab’s latest project offers some insight: in a paper published in […]
The idea of growing babies outside the body has inspired novels and movies for decades. Now, research groups around the world are exploring the possibility of artificial gestation. For instance, one group successfully grew a lamb in an artificial womb for four weeks. Australian researchers have also experimented with artificial gestation for lambs and sharks. […]
(HealthDay)—Having a premature baby can be frightening for parents, but new research delivers a calming finding: Many premature babies end up as healthy adults without major illnesses. The study of more than 2.5 million children found that more than half of those born prematurely had no major medical concerns in adulthood. “Preterm birth has been […]
A team of Tufts University-led researchers has developed three-dimensional (3-D) human tissue culture models of pediatric and adult brain cancers in a brain-mimicking microenvironment, a significant advancement for the study of brain tumor biology and pharmacological response. The study was published today in Nature Communications. The researchers created models that include brain-derived extracellular matrix (ECM) […]
Fish eggs fertilised with frozen sperm grow slower than those produced with fresh swimmers – but experts say men should not be put off cryopreservation Swiss scientists fertilised hundreds of trout eggs with fresh or frozen sperm Sperm freezing has been linked to ‘cryodamage’ to a swimmer’s DNA Fertility experts stress, however, men should not […]
For the first time, scientists have been able to study how well synthetic bone grafts stand up to the rigors and ‘strains’ of life, and how quickly they help bone re-grow and repair. Researchers led by Dr. Gianluca Tozzi, at the University of Portsmouth, are the first to examine the strains between bone and graft […]
Cell phones get blamed for increasing cancer risk, ruining dinner conversations, and now abnormal skull growth, according to a study. Published in the Journal of Anatomy in 2016, the research has recently been resurfaced in several news outlets. X-rays revealed that 41 percent of people between 18 and 30-years-old had bony lumps that look like […]
Mobile phones are changing the human skeleton: People spend so much time hunched over screens that ‘bony spikes’ are developing on the backs of our skulls Researchers from the University of the Sunshine Coast in Australia did the study People are increasingly growing lumps of bone at the bases of their skulls The bone forms […]