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How the Immune System of Older Adults Like Trump Weakens with Age

Share this on WhatsApp President Donald Trump’s announcement that he’s tested positive for COVID-19 is especially concerning because of his age. At 74 years old, Trump is solidly within an age group that’s been hit hard during the coronavirus pandemic. People of all ages can get sick from SARS-CoV-2, the virus that causes COVID-19. But […]

Because of Rising CO2, Trees Might Be Warming the Arctic

Share this on WhatsApp The Arctic is one of the fastest-warming places on the planet —and scientists still aren’t completely sure why. Melting snow and ice may be speeding up the warming. Changes in atmospheric circulation could be playing a role. Many factors could be influencing the region’s temperatures, which are rising at least twice […]

Hundreds of People Volunteer to Be Infected with Coronavirus

Share this on WhatsApp Momentum is building to speed the development of coronavirus vaccines by intentionally infecting healthy, young volunteers with the virus. A grass-roots effort has attracted nearly 1,500 potential volunteers for the controversial approach, known as a human-challenge trial. The effort, called 1Day Sooner, is not affiliated with groups or companies developing or funding […]