What it feels like to get Covid-19 after being vaccinated
Michael Miranda had been fully vaccinated for over four months when he tested positive for the coronavirus. “I stared at my phone for a few moments, wondering if this was…
Climate change worsens extreme weather. A revolution in attribution science proved it.
There’s a cliché that has popped up for years in discussions of climate and weather disasters: You can’t blame any individual event on climate change. Climate is all about trends…
We have to accept some risk of Covid-19
There’s a growing consensus among health experts: Covid-19 may never go away. We’ll likely always have some coronavirus out there, infecting people and, hopefully only in rare cases, getting them…
Why it’s so hard to be a nurse in America, according to two nurses
Last month, at the start of a fourth Covid-19 wave in the US, a nurse in a Seattle-area intensive-care unit announced her resignation on Twitter. “No amount of money could…
Astronomers were skeptical about dark matter — until Vera Rubin came along
Vera Rubin didn’t “discover” dark matter, but she put it on the map. Dark matter is a wild concept. It’s the idea that some mind-boggling percentage of all the matter…
What we actually know about the vaccines and the delta variant
The Covid-19 pandemic has changed, and with it, so has the effectiveness of the vaccines. The bottom line remains the same: The mRNA vaccines from Pfizer/BioNTech and Moderna that are…
How a cheap antidepressant emerged as a promising Covid-19 treatment
Since Covid-19 patients started showing up at clinics and hospitals a year and a half ago, doctors and researchers have been hard at work trying to figure out how to…
What full FDA approval for Covid-19 vaccines really means
Nearly nine months after the first Americans received their shots, the Covid-19 vaccine from Pfizer/BioNTech received full approval from the Food and Drug Administration for people 16 and older on…
The lab leak hypothesis — true or not — should teach us a lesson
The origins of the novel coronavirus that caused the Covid-19 pandemic remain a mystery. US intelligence agencies have now completed a 90-day probe into the origins of SARS-CoV-2, but their…
What do hurricane categories mean?
Hurricane Ida has begun pummeling the Gulf Coast, making landfall as a Category 4 storm on Sunday near Port Fourchon, Louisiana. The storm has already tied for the strongest recorded…