50 articles from SATURDAY 7.3.2020

Hundreds attend service for NASA pioneer Katherine Johnson

Three black astronauts joined hundreds of other mourners Saturday at a memorial service for pioneering African American mathematician and NASA researcher Katherine Johnson. Johnson, who calculated rocket trajectories and Earth orbits for NASA’s early space missions and was later portrayed in the 2016 film “Hidden Figures,” about pioneering black female aerospace workers, died Feb. 24 at the...

Low blood pressure linked to high mortality in older adults

A large-scale study analyzed 415,980 electronic medical records of older adults in England. People aged 75 or over with low blood pressure (below 130/80) had increased mortality rates in the follow-up, compared to those with normal blood pressure. This was especially pronounced in 'frail' individuals, who had 62% increased risk of death during the 10-year follow-up.

SpaceX launches its original Dragon capsule for the last time

The SpaceX Dragon spacecraft made history in 2012 by becoming the first ever commercial spacecraft to dock with the ISS. Last night, the space company sent the first-gen Dragon on its 20th resupply and its last mission ever -- starting in October, SpaceX will use the upgraded Dragon 2 capsule for it ISS trips. That's not even the only reason this mission is far from your typical resupply run....

Springlike warmth to surge across a large part of the US

Spring fever alerts may have to be issued across the bulk of the United States in the coming days as warm air builds from the Great Plains to the Eastern Seaboard.High pressure sitting over the eastern two thirds of the country will provide dry conditions and springlike warmth to these areas this weekend. "Even though most record highs this time of the year are likely to be out of reach...

How a global health crisis turns into a state-run surveillance opportunity | John Naughton

A colour-coded contagion-risk app being rolled out across China doubles as a means of social controlWhen Barack Obama was US president, his chief of staff, Rahm Emanuel, had a useful motto: “Never let a serious crisis go to waste: it’s an opportunity to do things you think you could not do before.” The Chinese authorities have clearly taken this to heart – as evidenced by the unprecedented...

Previous coronavirus daily briefing updates, March 5

China CDC released a report online on Feb. 17 that overall found 2.3% of confirmed cases died. However, the fatality rate was 14.8% in people 80 or older, likely reflecting the presence of other diseases, a weaker immune system, or simply worse overall health. By contrast, the fatality rate was 1.3% in people in their 50s, 0.4% in people in their 40s, and 0.2% in people 10 to 39.Masked tourists...

Coronavirus symptoms: what are they and should I see a doctor?

What are the symptoms caused by the virus from Wuhan in China, how does it spread, and when should you call a doctor?Find all our coronavirus coverage hereHow to protect yourself from infectionCoronavirus latest updatesIt is caused by a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals. Many of those initially infected...