Coronavirus in the US: Latest COVID-19 news and case counts By Live Science Staff The U.S. has now confirmed more than 1.9 million COVID-19 cases and about 110,173 related deaths.
Prominent study showing harm from hydroxychloroquine for COVID-19 patients is retracted By Rachael Rettner The study was withdrawn over concerns about the study's data, which was provided by an obscure U.S. analytics company called Surgisphere.
What is tear gas? By Janice Chambers Tear gas refers to a group of chemical irritants that can be used to control or disperse crowds.
Hydroxychloroquine doesn't prevent people from catching COVID-19, study finds By Rachael Rettner Taking the antimalarial drug hydroxychloroquine did not prevent people from coming down with COVID-19 after being exposed to the disease.
How does ketamine work as an antidepressant? It’s complicated. By Nicoletta Lanese Experts say we need larger studies and more data.
Jane Goodall: Humanity is doomed if we don't change after this pandemic By Nicoletta Lanese We must take action to prevent future pandemics, she warned.
You attended a protest during a pandemic. Now what? By Tia Ghose Protesting during a pandemic can be risky. Here are ways to lessen the risk and what to do after you've attended a protest against police brutality spurred by the death of George Floyd.
Face masks may reduce COVID-19 spread by 85%, WHO-backed study suggests By Rachael Rettner The WHO-backed study found that face masks and eye protection really do prevent spread of COVID-19.
Do face masks really reduce coronavirus spread? Experts have mixed answers. By Stephanie Pappas The bulk of evidence suggests that face masks might help contain coronavirus, but only a little.
Who created the polio vaccine? By Kimberly Hickok In the early 1950s, Dr. Jonas Salk and Dr. Albert Sabin each found a way to protect the world from poliomyelitis, the paralysis-causing disease commonly known as polio. Here's how they did it.
Live Science podcast 'Life's Little Mysteries' 31: Mysterious sneezing By Live Science Staff In this episode of Life's Little Mysteries, we'll take a closer look at an involuntary bodily function that can sometimes be a little explosive: sneezing.
New human-mouse chimera is the most human yet By Yasemin Saplakoglu The mouse-human embryo contains up to 4% human cells.
Here's what office life could look like amid COVID-19, according to new CDC guidelines By Rachael Rettner The guidelines recommended offices take a number of steps to help keep workers safe.
Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (May 28) By Live Science Staff In this special episode of Life's Little Mysteries, we'll give you the latest news and answer frequently asked questions about the new coronavirus and COVID-19.
Wuhan tested millions of people for COVID-19 in just days. Could US cities do the same? By Nicoletta Lanese By pooling swab samples, Wuhan ramped up its testing capacity. But the approach won't work everywhere.
How COVID-19 might affect a pregnant woman's placenta By Rachael Rettner Most of the 16 women in the study showed signs of abnormal blood flow in their placentas, but delivered healthy babies.
The coronavirus didn't really start at that Wuhan 'wet market' By Rafi Letzter It looks like early reports that COVID-19 first infected humans at a particular live animal market in Wuhan were wrong.
Oldest 'nearly complete' HIV genome found in forgotten tissue sample from 1966 By Stephanie Pappas A newly discovered HIV genome confirms the early spread of the virus.
Giant viruses spew their DNA through a 'stargate.' Now, scientists know what triggers them. By Nicoletta Lanese Scientists combined several techniques to study the massive viruses in action.
