Swedish health officials on Tuesday recommended that the newly approved AstraZeneca COVID-19 vaccine primarily be used for those under the age of 65, citing a lack […]
Conjunctival tissue is perhaps most recognizable to the average person in relation to conjunctivitis—but it’s a vital part of the eye’s functionality and protection. In a […]
England has begun house-by-house COVID-19 testing in some communities as authorities try to snuff out a new variant of the virus before it spreads widely and […]
Contrast is a sensory property that makes stimuli stand out. Writers, designers, and musicians all use contrast to emphasize striking differences in text, visual displays and […]