A “testicle bath” for male contraception took home top honors at the Germany’s James Dyson Awards.   Hormone-free and reversible, the ultrasound device uses “deep heat” to temporarily stop sperm in their tracks, preventing them from fertilizing a female egg.   The…

Russia’s COVID-19 situation is a black box, according to independent demographers and data analysts who’ve been pushed out of their posts for challenging official numbers and highlighting nonsensical patterns emerging in regional reporting.  

Colin Powell’s cancer left the history-making former general and US Secretary of State with an impaired immune system that couldn’t fight off complications from COVID-19, AP reports.   Powell, who was vaccinated against COVID-19, had been treated in recent years for…

Anthony Fauci was assigned security guards after receiving death threats amid the pandemic. Belgian virologist Marc Van Ranst was placed in a safe house with his family after a military sniper threatened virologists.   The risks go beyond high-profile examples.…

In the past decade, China—through a windfall of government funding and top-down policies—has embraced an AI-driven approach to medical innovations that can help relieve pressure on medical workers and health systems.   One example: An open-source algorithm…

Despite increased media coverage in recent years, fatal police violence remains underreported in the US government’s vital registration data, according to a new Lancet study that offers revised estimates and a method to remedy skewed numbers.

During Brazil’s 2016 Zika outbreak, parents of babies born with the syndrome stepped up to join studies.   Now, they feel used, accusing researchers of failing to communicate study results.   In the rush to collect data, some researchers concede they fell short on clearly…

Researchers are conducting the first-ever human trials of a vaccine against opioid overdose.   The trial involves giving participants in active phases of addiction non-lethal doses of opioids, including heroin, after receiving the experimental vaccine.   How does it…

In the first half of 2021, nearly 20% of 15-24-year-olds reported often feeling depressed, according to a UNICEF/Gallup survey of young people across 21 countries, The Guardian reports.   Country by country:

David Julius and Ardem Patapoutian won the 2021 Nobel Prize for Physiology or Medicine today, honored for their work on temperature and touch receptors—discoveries that could lead to novel pain treatments.   Their breakthroughs “have allowed us to understand how heat, cold…