Why does it hurt so much when you hit your funny bone? By Stacy Kish The funny bone is actually the ulnar nerve, which is responsible for transmitting information from the fingertips to the brain and back again.
Large TB outbreak may be caused by surgical 'bone repair product' By Rachael Rettner The unusual outbreak involves patients who received spinal surgery this spring.
Weird gadget may cure hiccups, early study suggests By Nicoletta Lanese A new study hints that the device works, but more studies are needed to rule out a placebo effect.
'Supertasters' may have some innate protection against COVID-19 By Yasemin Saplakoglu Supertasters may be less likely to become infected with, or become severely ill from COVID-19, a new study finds.
COVID-19 was spreading in the US by December 2019, mounting evidence suggests By Rachael Rettner The new findings suggest the virus may have been circulating in Illinois as early as Dec. 24, 2019.
Having a baby: Stages of pregnancy by trimester By Cari Nierenberg Pregnancy lasts about 40 weeks and is divided into three stages, or trimesters, each with unique symptoms and changes in the mother's body and in fetal development.
Novavax's COVID-19 shots are 90% effective, company reports By Nicoletta Lanese The shots are 100% effective against moderate and severe infections.
Breakthrough dengue-prevention strategy passes huge trial By Nicoletta Lanese The trial was conducted in Yogyakarta, Indonesia.
Woman gets rare cowpox infection from her pet cat By Rachael Rettner She received a drug approved for treating smallpox from the U.S. Strategic National Stockpile.
New discovery could help take down drug-resistant bacteria By Nicoletta Lanese The team tested this new strategy in mice and lab dishes.
Mood swings & mommy brain: The emotional challenges of pregnancy By Cari Nierenberg A woman's emotional well-being and her mental outlook play important roles in pregnancy.
Should 12-year-olds get the COVID-19 vaccine? By Ashley P. Taylor The benefits of vaccinating young people against COVID-19 outweigh the risks, experts say.
Laughing gas may treat depression, small study suggests By Ashley P. Taylor As many as one in three cases of depression are resistant to standard treatments. Could laughing gas be an alternative?
Boy gets burned by wet cement in rare case By Rachael Rettner A 7-year-old boy who accidentally got wet cement all over his head and torso ended up in the emergency room after the cement mixture burned his skin, according to a new report.
How much does all the SARS-CoV-2 in the world weigh? By Yasemin Saplakoglu If all the circulating SARS-CoV-2 particles were gathered together into one place, they would weigh somewhere between the weight of an apple and that of a young toddler.
Scientists puzzled by 'unexplained excess mass' lurking in human chromosomes By Brandon Specktor Human chromosomes weigh about 20 times heavier than the DNA within them. So where's all this extra mass coming from?
Is the COVID-19 vaccine causing rare myocarditis cases? By Rachael Rettner Researchers in Israel say they've found a possible link between the Pfizer-BioNTech COVID-19 vaccine and cases of heart inflammation called myocarditis in young men.
Scientists reprogrammed bacteria to be immune to viruses By Nicoletta Lanese The technology could be used in many fields, from drug development to materials research.
Mysterious protein makes human DNA morph into different shapes By Cameron Duke Human and mosquito cell nuclei have their own shapes, and researchers can mold one to look like the other.
