The foods on the left contain naturally occurring fibers that are intrinsic in plants. The foods on the right contain isolated fibers, such as chicory root, which are extracted and added to processed foods. The FDA will determine whether added fibers can count as dietary fiber on nutrition facts labels.
The blood-sucking conenose assassin bug (Triatoma sanguisuga) is also called a "kissing bug" because of its tendency to bite human faces. It feeds on human blood and is the vector of the parasite Trypanosoma cruzi, which causes Chagas disease.
Ray Coleman/Science Source
Amanda Chaffin comforts son Kayden, 4, who has a genetic condition called spinal muscular atrophy, or SMA, and depends on a ventilator to breathe. Chaffin is worried about the high costs of Kayden's care.
Nick Oxford for Kaiser Health News
Image of a CAR-T cell (reddish) attacking a leukemia cell (green). These CAR-T lymphocytes are used for immunotherapy against cancer (CAR stands for chimeric antigen receptor). After the proliferation of the CAR-expressing T cells, they are transfused back into the patient and can directly detect the cancer cells carrying the antigen.
Eye of Science/Science Source
The FDA says blood lead tests manufactured by Magellan Diagnostics can give falsely-low results if they are used with blood drawn from a vein, as opposed to a finger or heel prick.