Testing is critical to controlling the coronavirus and eventually easing restrictions that have halted daily life for most Americans. But there’s been confusion about what kinds of tests are available and what they actually measure.
Hospitals are gearing up to test if a century-old treatment used to fight off flu and measles outbreaks in the days before vaccines, and tried more recently against SARS and Ebola, just might work for COVID-19, too: using blood donated from patients who’ve recovered.
In this video, ecologist Tony Sinclair takes us through the steps of how he uncovered that the eradication of an infectious disease in cattle led to a boom in the Serengeti’s buffalo and wildebeest numbers.
The first attempt in the United States to use a gene editing tool called CRISPR against cancer seems safe in the three patients who have had it so far, but it’s too soon to know if it will improve survival, doctors reported Wednesday.
A lab at the American Museum of Natural History is uncovering the genes behind each type of spider silk to create a sort of “silk library.” It’s part of an effort to learn how spiders make so many kinds of silk and what allows each kind to behave differently.