10 most difficult discoveries riddles A list of discoveries related questions that are most often answered incorrectly Physics quiz Which physician discovered that contaminated water was the source of the cholera epidemic in London in 1854?John Snow was an English physician and a leader in the adoption of anaesthesia and medical hygiene. He is considered one of the fathers of modern epidemiology, in part because of his work in tracing the source of a cholera outbreak in Soho, London, in 1854. His findings inspired fundamental changes in the water and waste systems of London, which led to similar changes in other cities, and a significant improvement in general public health around the world. very hard 24% Robert KochRobert Koch26%Alexander FlemingAlexander Fleming30%John SnowJohn Snow24%Thomas HodgkinThomas Hodgkin18%Created by: Tschuka. Statistics based on 2170 answers in 2 languages »London riddles » Who discovered radioactivity?Henri Becquerel. Antoine Henri Becquerel (15 December 1852 – 25 August 1908) was a French physicist, Nobel laureate, and the first person to discover evidence of radioactivity. For work in this field he, along with Marie Skłodowska-Curie and Pierre Curie, received the 1903 Nobel Prize in Physics. The SI unit for radioactivity, the becquerel (Bq), is named after him.very hard 26% Henri BecquerelHenri Becquerel26%Max PlanckMax Planck9%Ernest RutherfordErnest Rutherford26%Maria Skłodowska-CurieMaria Skłodowska-Curie37%Created by: Tschuka. Statistics based on 449 answers in 3 languages »discoverers riddles » Who was the first to circumnavigate Australia?Matthew Flinders. Captain Matthew Flinders RN was an English navigator and cartographer, who was the leader of the first circumnavigation of Australia and identified it as a continent. Flinders made three voyages to the southern ocean between 1791 and 1810. In the second voyage, George Bass and Flinders confirmed that Van Diemen's Land (now Tasmania) was an island. In the third voyage, Flinders circumnavigated the mainland of what was to be called Australia, accompanied by Aboriginal man Bungaree.very hard 31% Christopher Columbus Christopher Columbus 6%Abel TasmanAbel Tasman51%Matthew FlindersMatthew Flinders31%Charles SturtCharles Sturt10%Created by: Tschuka. Statistics based on 593 answers in 3 languages »sailors riddles » What is the name of the discoverer of insulin, a Canadian physiologist and Nobel Prize winner?Frederick Banting. Sir Frederick Banting was a Canadian medical scientist, physician, painter, and Nobel laureate noted as the co-discoverer of insulin and its therapeutic potential. Banting, who received the Nobel Prize at age 32, remains the youngest Nobel laureate in the area of Physiology/Medicine. In 1934 he was knighted by King George V.very hard 32% Aleksander FlemingAleksander Fleming37%Charles NiccoleCharles Niccole17%Frederick BantingFrederick Banting32%Alexis CarrelAlexis Carrel12%Created by: Tschuka. Statistics based on 582 answers in 2 languages »medicine riddles » Who Discovered Magnetic Field? Hans Christian Oersted. Danish physicist and chemist Hans Christian Oersted (1777-1851) discovers in 1820 that electric current affects a compass needle and create magnetic fields. He was the first scientist to find the connection between electricity and magnetism. He is remembered today for Oersted's Law. very hard 33% André-Marie Ampère André-Marie Ampère 13%Alessandro VoltaAlessandro Volta18%Hans Christian OerstedHans Christian Oersted33%Michael Faraday Michael Faraday 34%Created by: Tschuka. Statistics based on 360 answers in 2 languages »Denmark riddles » Who discovered the first planet outside the Solar System?A. Wolszczan and Dale Frail. Aleksander Wolszczan (born 29 April 1946 in Szczecinek, Poland) is a Polish astronomer. He is the co-discoverer of the first extrasolar planets and pulsar planets.hard 44% A. Wolszczan and Dale FrailA. Wolszczan and Dale Frail44%G. CassiniG. Cassini13%E. HubbleE. Hubble28%no such planets were discoveredno such planets were discovered12%Created by: Tschuka. Statistics based on 9627 answers in 2 languages »planets riddles » Who received the first Nobel Prize in physics in 1901?Wilhelm Röntgen. Wilhelm Conrad Röntgen German: was a German mechanical engineer and physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the first Nobel Prize in Physics in 1901.hard 47% Maria Skłodowska-CurieMaria Skłodowska-Curie21%Albert EinsteinAlbert Einstein19%Wilhelm RöntgenWilhelm Röntgen47%Henri BecquerelHenri Becquerel11%Created by: Tschuka. Statistics based on 6111 answers in 3 languages »physics riddles » Who discovered New Zealand?The Dutch. New Zealand was discovered by Dutch capitan Abel Tasman. It is named after the Dutch province of Zealand (near the Belgian border today).hard 53% The EnglishThe English31%The DutchThe Dutch53%The FrenchThe French5%The SpanishThe Spanish9%Created by: globalquiz.org. Statistics based on 34886 answers in 3 languages »geographic discoveries riddles » Which astronomical discovery was nicknamed 'Little Green Man'?Pulsar. In 1967 Jocelyn Bell Burnell and Antony Hewish first observed pulses separated by 1.33 seconds, originated from the same location on the sky. It was not until a second pulsating source was discovered in a different part of the sky that the "LGM hypothesis" was entirely abandoned.hard 58% black holeblack hole6%pulsarpulsar58%supernovasupernova14%white dwarfwhite dwarf20%Created by: globalquiz.org. Statistics based on 11772 answers in 2 languages »astronomy riddles » Which chemical element was discovered in Russia?Ruthenium was discovered in 1844 by the Beltic German sciencist Karl Ernst Claus at the Kazan State University. He named it after Ruthenia, the Latin word for Rus',.hard 58% titaniumtitanium18%boronboron17%rutheniumruthenium58%magnesiummagnesium5%Created by: life-o-holic. Statistics based on 21016 answers in 2 languages »Latin riddles » Play physics quiz and see all the questions.