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 in the universe may be…
Every several years — sometimes just once a decade — when the rains come in just the right amounts and at just the right times, rare flowers speckle the Mojave Desert in California. Some, like…
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 most prevalent in the US…
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 treat them. Most drugs and…
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 Monday. This could help increase…
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 classified findings, according to the…
Click:platform satellite stompers Another explosive wildfire season is underway in California, with more than a million acres already burned in 2021. While still short of the unprecedented 2020 fire season, the blazes this year are…
During the pandemic, I’ve spent a lot of time alone. I live by myself. I work from home. At times, I experienced fits of fidgetiness and restlessness, contributing to feelings of burnout. Here’s what helped:…
On Monday, the United Nations announced an environmental and public health milestone: the end of the use of leaded gasoline in automobiles and road vehicles worldwide. The last holdout was Algeria, which had large stockpiles…
Medicare, the federal health insurance program that covers Americans over 65, is facing an impossible dilemma: Should it cover a new and expensive medication for Alzheimer’s disease, which afflicts 6 million Americans and for which…