1999 in science

Aeronautics

• February 27 – While trying to circumnavigate the world in a hot air balloon, Colin Prescot and Andy Elson set a new endurance record after being in their balloon for 233 hours and 55 minutes.
• March 3–20 – Bertrand Piccard and Brian Jones successfully complete a non-stop circumnavigation of the world in a hot air balloon.

Astronomy and space exploration

• January 31 – A total penumbral lunar eclipse.
• February 7 – Stardust is launched on a mission to collect samples of a comet coma, and return them to Earth.
• February 11 – Pluto moves outside the orbit of Neptune, remaining there until 2231.
• February 16 – Annular solar eclipse, visible from Australia.
• July 20 – Mercury program: Liberty Bell 7 is raised from the Atlantic Ocean.
• July 28 – Partial lunar eclipse, visible from Australia, eastern Asia, and western North America.
• July 31 – NASA intentionally crashes the Lunar Prospector spacecraft into the Moon, thus ending its mission to detect frozen water on the Moon's surface.
• August 11 – Total solar eclipse, visible from Europe, across the Middle East, and ending in India.
• December 16 – The Beethoven Burst (GRB 991216) is one of the most powerful detected Gamma-ray bursts.
• NASA loses two Mars probes, the Mars Climate Orbiter and the Mars Polar Lander.
• The Subaru 8.3 m and Gemini North 8.1 m reflecting telescopes open at the Mauna Kea Observatory in Hawaii.
• The Cetus Dwarf galaxy is discovered.
• M–sigma relation first presented.

Biology

• November 1 – Agreement on the Conservation of African-Eurasian Migratory Waterbirds comes into force.
• Late – Pest-exclusion fence around Zealandia (wildlife sanctuary) in Wellington, New Zealand, completed.
• The bacterium Thiomargarita namibiensis is discovered off the coast of Namibia. At 0.3mm in diameter, it is largest bacteria discovered.

Chemistry

• Elements 118 and 116 are claimed to be made for the first time; later retracted when results cannot be replicated.

Computer science

• March 26 – The Melissa worm attacks the Internet.
• June – defines HTTP/1.1, the version of Hypertext Transfer Protocol in common use.
• September 21 – David Bowie's Hours becomes the first complete music album by a major artist available to download over the Internet in advance of the physical release.
• First working 3-qubit NMR computer demonstrated at IBM's Almaden Research Center. First execution of Grover's algorithm.
• The term 'Web 2.0' is coined by Darcy DiNucci.
• Probable date – First emojis introduced, in Japan.

Geology

• January 25 – A 6.0 Richter scale earthquake hits western Colombia, killing at least 1,000.
• August 17 – The 7.6 İzmit earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent), leaving 17,118–17,127 dead and 43,953–50,000 injured.

History of science and technology

• Boris Chertok publishes «Ракеты и люди» (Rockets and people), a history of the Soviet rocket program.

Mathematics

• Eric M. Rains and Neil Sloane extend tree counting.
• Thomas Callister Hales proves the honeycomb theorem.

Paleontology

• First fossil of Kenyanthropus Pliocene hominin discovered in Lake Turkana, Kenya.

Physics

• June 18 – Bulgaria becomes a member of CERN.
• October 25 – Randall–Sundrum model presented by Lisa Randall and Raman Sundrum.

Physiology and medicine

• April 16 – Russell Foster and his team at Imperial College London publish their discovery of the non-rod, non-cone, intrinsically photosensitive retinal ganglion cells (ipRGCs) in the mammalian eye which provide input to the circadian rhythm system.
• October – Huda Zoghbi demonstrates that Rett syndrome is caused by mutations in the gene MECP2.

Psychology

• The Dunning–Kruger effect, a cognitive bias, is first described by American psychologists David Dunning and Justin Kruger.

Telecommunications

• January 19 – The first BlackBerry is released, using the same hardware as the Inter@ctive pager 950, and running on the Mobitex network.

Awards

• Nobel Prizes
  • Physics – Gerardus 't Hooft, Martinus J.G. Veltman
  • Chemistry – Ahmed H. Zewail
  • Medicine – Günter Blobel
• Turing Award: Fred Brooks
• Wollaston Medal for Geology: John Frederick Dewey

Deaths

• February 21 – Gertrude B. Elion (b. 1918), American pharmacologist, Nobel laureate in Physiology or Medicine.
• February 25 – Glenn T. Seaborg (b. 1912), American physical chemist, Nobel laureate in Chemistry.
• March 17 – Herbert E. Grier (b. 1911), American electrical engineer.
• April 28 – Arthur Leonard Schawlow (b. 1921), American physicist, Nobel laureate in Physics.
• May 8 – Edward Abraham (b. 1913), English biochemist.
• May 26 – Waldo Semon (b. 1898), American inventor.
• July 8 – Pete Conrad (b. 1930), American astronaut.
• November 11 – Vivian Fuchs (b. 1908), English geologist and explorer.
• November 25 – Pierre Bézier (b. 1910), French design engineer.

References

References

1. (2014). "Is Pluto a Planet?: A Historical Journey through the Solar System". Princeton University Press.
2. Merritt, David. (1999). "Dynamics of Galaxies: From the Early Universe to the Present".
3. Cummings, Sue. (1999-09-22). "The Flux in Pop Music Has a Distinctly Download Beat to It". [[The New York Times]].
4. DiNucci, Darcy. (1999). "Fragmented Future". Print.
5. Crilly, Tony. (2007). "50 Mathematical Ideas you really need to know". Quercus.
6. Hales, Thomas C.. (January 2001). "The Honeycomb Conjecture". [[Discrete and Computational Geometry]].
7. (1999). "Large Mass Hierarchy from a Small Extra Dimension". [[Physical Review Letters]].
8. (1999). "An Alternative to Compactification". Physical Review Letters.
9. (1999-04-16). "Regulation of the mammalian pineal by non-rod, non-cone, ocular photoreceptors". [[Science (journal).
10. (1999). "Rett syndrome is caused by mutations in X-linked MECP2, encoding methyl-CpG-binding protein 2". [[Nature Genetics]].
11. (1999). "Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments". [[Journal of Personality and Social Psychology]].