Healthline2 天
Your Guide to Female Condoms
Female condoms, also known as internal condoms, are latex pouches you insert into the vagina to prevent pregnancy. They work by blocking sperm from entering the vagina during intercourse. They ...
Space.com5 天
On this day in space! Jan. 27, 1967: Apollo 1 fire kills NASA astronauts
On January 27, 1967, Apollo 1 astronauts Gus Grissom, Ed White and Roger Chaffee were killed during a routine preflight rehearsal at NASA's Kennedy Space Center. On January 27, 1967, Apollo 1 ...