Practice your trivia skills: Science & Nature

Science & Nature

76. How many types of quarks are there in the standard model of physics?

77. How many officially recognized dwarf planets in the solar system are named after Polynesian deities?

78. Who developed the first successful polio vaccine in the 1950s?

Thomas Weller

John F. Enders

Jonas Salk

Frederick Robbins

79. Who made the discovery of X-rays?

Wilhelm Conrad Röntgen

Albert Einstein

James Watt

Thomas Alva Edison

80. Dry ice is the solid form of what substance?

Ammonia

Nitrogen

Carbon dioxide

Oxygen