Tests

Antibody testing looks for evidence that a person has been infected with the coronavirus SARS-CoV-2, but not the virus itself. James Martin/CNET For the most up-to-date news and information about the coronavirus pandemic, visit the WHO website. Some researchers are warning that a new strain of the coronavirus may be more contagious than previous versions,…

Contrast agent, a drug that enhances CT scans, is sometimes skipped because of concerns about side effects. Morsa Images/Getty Images hide caption toggle caption Morsa Images/Getty Images Contrast agent, a drug that enhances CT scans, is sometimes skipped because of concerns about side effects. Morsa Images/Getty Images One of the most widely used drugs in…

Commercial DNA testing kits use genetic analysis to offer users insights into their ancestry and family history. Credit: AncestryDNA Curious about your ancestry? Now may be the time to act on that — Cyber Monday offers big savings on best-selling DNA kits. These commercial kits conduct genetic analyses of saliva samples collected at home from…

Testing your antibody levels to get a sense of your COVID-19 protection may be tempting, especially as you wait for a booster shot. But scientists say these widely available tests can't tell you the full story, at least not yet. Naveen Sharma/SOPA Images/LightRocket via Getty hide caption toggle caption Naveen Sharma/SOPA Images/LightRocket via Getty Testing…

1Password has begun testing a way to access the app without its namesake password, adding an option to use newer passkey technology instead. The change, which uses a quick biometric check to unlock and use your password vault, could help improve the widely used password manager's security.The software's primary job is to create, store, sync and autofill passwords for…

COVID-19 cases still aren't slowing down, which could mean you're looking through your stash of at-home COVID-19 test kits to see if they're still OK to use. We've got good news. Even if your box shows they're no longer good, it's possible the shelf life has been extended (see below). If you find they have expired,…

Twitter Tests Edit Button, Promises We'll 'Be Okay' - CNET Want CNET to notify you of price drops and the latest stories? The Edit Tweet feature is being tested internally, and will roll out to Twitter Blue subscribers "in the coming weeks." Sean knows far too much about Marvel, DC and Star Wars, and pours…

Image: Podcast logoThe Bechdel Test is a criteria first developed by cartoonist Alison Bechdel in the ‘80s to assess gender bias in fiction. To pass the test, a work must include a) at least two women who,  b) talk to each other, and c) discuss something other than a man. Each week on The Bechdel…

To understand vaccine-induced immunity more fully, researchers are comparing antibody levels in people who received the Moderna vaccine but still got COVID-19 with levels in people who got the vaccine but didn't fall ill. Angela Weiss/AFP via Getty Images hide caption toggle caption Angela Weiss/AFP via Getty Images To understand vaccine-induced immunity more fully, researchers…

Photo: ShutterstockIn addition to the loss of a normal social life, the disruption of academic routines and the cancellation of end-of-school-year celebrations, many high school juniors and seniors (and even some sophomores) are now grappling with preparing at home to take challenging Advanced Placement tests. While taking AP classes is often a good method to…