Chemistry

Award ceremony speech

Presentation Speech by Professor Arne Fredga, member of the Nobel Committee for Chemistry of Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. One of the fundamental conditions for life on Earth is the ability of carbon atoms to bind each other to a practically unlimited extent. They form chains, often very branched, but also rings…

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Speed read

For centuries, philosophers, writers and musicians have all mused upon the differences between the sexes, but to scientists this can be largely explained by the actions of a variety of chemical messengers, or sex hormones, that influence the development of masculine or feminine characteristics. Very little was known about the origin of these sex hormones…

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  The Nobel Prize in Chemistry 2004             Prevents self-polination Did you know that roses are bisexual? Most plants are like this – they’re hermaphrodites. With such an arrangement, one wonders what prevents plants from fertilising themselves. In fact, ubiquitin-mediated protein breakdown is involved: the plant recognises and rejects its…

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Biographical

Willard Frank Libby was born in Grand Valley, Colorado, on 17th December, 1908, to Ora Edward Libby and his wife Eva May (née Rivers). He attended grammar and high schools near Sebastopol, California, between 1913 and 1926, moving to the University of California at Berkeley in 1927, where he studied till 1933, taking his B.Sc.…

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Biographical

Jacobus Henricus van ‘t Hoff was born in Rotterdam, The Netherlands, on August 30, 1852. He was the third child in a family of seven children of Jacobus Henricus van ‘t Hoff, a physician, and Alida Jacoba Kolff. In 1869 he entered the Polytechnic School at Delft and obtained his technology diploma in 1871. His decision…

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