Colorectal tumors are swarming with white blood cells, but whether these cells help or hinder the cancer is hotly debated.
Most antibiotics are double-edged swords. Besides killing the pathogen they are prescribed for, they also decimate beneficial bacteria and change the composition of the gut microbiome. As a result, patients become more prone to reinfection, and drug-resistant strains are more likely to emerge.
Antiretroviral therapy has made HIV a manageable condition, but it does not eliminate the virus from the body—and most regimens are expensive and require a pill every day, for the rest of the patient’s life.
A surprising amount of physical work is required to read genes.
A cancer cell must eat. While radiation may burn it, chemo may choke it, and surgery may pluck it out altogether
Navigation doesn’t always go as planned—a lesson that flies learn the hard way, when a strong headwind shunts them backward in defiance of their forward-beating wings.
Plump and ponderous, tardigrades earned the nickname “water bears” when scientists first observed the 0.02-inch-long animals’ distinctive lumbering gaits in the 18th century.
COVID-19 lockdowns scrambled sleep schedules and stretched waistlines.