When Google and Apple announced plans in April for free software to help alert people of their possible exposure to the coronavirus, the companies promoted it as “privacy preserving” and said it would not track users’ locations. Encouraged by those guarantees, Germany, Switzerland and other countries used the code to develop national virus alert apps…
In recent interviews, President Trump has been boasting about a cognitive test that he took recently and “aced.” It’s not the first time — he made similar remarks in January 2018. But he once again has not said what test he took, or what his score was, making it difficult to know what to make…
Here’s what you need to know: ImagePresident Donald Trump at the White House last week.Credit…Doug Mills/The New York Times Top Republicans met with Trump to smooth the way for their relief package. The two top congressional Republicans met with President Trump at the White House on Monday morning in an attempt to smooth over differences…
Hong Kong once seemed like a model for how to control the coronavirus. Schools were open. Restaurants and malls buzzed with crowds. Buses and trains operated as usual, with residents dutifully wearing face masks on board. But a new wave of infections in recent days has put the city on edge. Hospitals are now seeing…
Michael Richard Clifford, a 66-year-old retired astronaut living in Cary, N.C., learned before his third spaceflight that he had Parkinson’s disease. He was only 44 and in excellent health at the time, and had no family history of this disabling neurological disorder. What he did have was years of exposure to numerous toxic chemicals, several…
PROVIDENCE, R.I. [Brown University] — Which sleep stage is most important for learning: REM or non-REM? Does sleep improve learning by enhancing skills while people snooze, or by cementing those skills in the brain so that they’re less likely to forget them? Do these processes occur every time someone sleeps, or only after they have…
Phase 2 randomised controlled trial of a recombinant adenovirus type-5-vectored COVID-19 vaccine (Ad5-vectored COVID-19 vaccine) was conducted in China in April 2020 and involved more than 500 people The primary objective of the study was to evaluate the immune response and safety of the vaccine, and to determine the most suitable dose for a phase…
If you’ve ever wondered why we get goosebumps, you’re in good company — so did Charles Darwin, who mused about them in his writings on evolution. Goosebumps might protect animals with thick fur from the cold, but we humans don’t seem to benefit from the reaction much — so why has it been preserved during…
Researchers at EPFL are able to get paralyzed rodents walking again by stimulating the animals’ damaged spinal cords. This promising treatment has already helped paraplegics regain mobility during clinical trials at Lausanne University Hospital (CHUV). Now, using artificial intelligence, the researchers can pinpoint which neurons are involved in the gait reacquisition process. The results, which…
A phase 1/2 trial involving 1,077 healthy adults found that the vaccine induced strong antibody and T cell immune responses up to day 56 of the ongoing trial. These responses may be even greater after a second dose, according to a sub-group study of 10 participants Compared to the control group (given a meningitis vaccine),…