American chemist who with Robert Curl and Harold Kroto discovered fullerenes and opened a new branch of chemistry (born in 1943)
a species of bacterium normally present in intestinal tract of humans and other animals; sometimes pathogenic; can be a threat to food safety
(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in
a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
a radioactive transuranic element produced by bombarding plutonium with neutrons
the cardinal compass point that is at 90 degrees
the 5th letter of the Roman alphabet
the base of the natural system of logarithms; approximately equal to 2.718282...