** Animals that incorporated algae as photosynthetically active endosymbionts, i. e. primarily obtaining their nutrients from their partners in symbiosis, were accordingly responsible for the mysterious creatures of the Ediacara fauna that are not assigned to any modern animal taxon and lived during the Ediacaran Period, before the start of the Paleozoic.

** Panthera crassidens ( probably identical with another felid taxon ) †

** S. rubra " Incompletely diagnosed taxon from Georgia and South Carolina "

** Battle of Placentia — Emperor Aurelian is defeated by the Alemanni forces invading Italy

** Battle of Fano — Aurelian defeats the Alemanni, who begin to retreat from Italy

** Battle of Pavia — Aurelian destroys the retreating Alemanni army.

** Battle of Lingones — Caesar Constantius Chlorus defeats the Alemanni

** Battle of Vindonissa — Constantius again defeats the Alemanni

** Thoracic aorta — the half of the descending aorta above the diaphragm

** Abdominal aorta — the half of the descending aorta below the diaphragm

** France — voltage change 3 kV DC – 25 kV AC

** Germany — voltage change 3 kV DC – 15 kV AC

** Netherlands — voltage change 3 kV DC – 1500 V DC

** Luxembourg — no voltage change at the border ( the line Arlon-Luxembourg is at 3 kV DC and the line Gouvy-Luxembourg is at 25 kV AC )

** Channel Tunnel — voltage remains at 25 kV AC.

** UK — voltage remains at 25 kV AC — voltage change 750 V DC third rail ( The Southern Region ).

** CS — Caught stealing: times tagged out while attempting to steal a base

** SBA / ATT — Stolen base attempts: total number of times the player has attempted to steal a base ( SB + CS )

** DI — Defensive Indifference: if the catcher does not attempt to throw out a runner ( usually because the base would be insignificant ), the runner is not awarded a steal.

** Autecology: autotroph — heterotroph — acclimatization — endotherm — ectotherm — hibernation — homeostasis — behavior — circadian rhythm

** Genus Stiphrornis-forest robins ( 1-5 species, depending on taxonomy )

** Genus Stiphrornis, forest robins ( 1-5 species, depending on taxonomy )

** Human taxonomy

** List of scientific constants named after people

** List of scientific laws named after people

** List of scientific phenomena named after people

** List of scientific units named after people

** A natural science – one that seeks to elucidate the rules that govern the natural world using empirical and scientific method.

** A natural science – one that seeks to elucidate the rules that govern the natural world using empirical and scientific method.

** Self-plagiarism – or multiple publication of the same content with different titles and / or in different journals is sometimes also considered misconduct ; scientific journals explicitly ask authors not to do this.

** The Soviet Union launches 2 scientific satellites, Elektron I and II, from a single rocket.

** Convicted Manhattan Project spy Klaus Fuchs is released after only nine years in a British prison and allowed to emigrate to Dresden, East Germany where he resumes a scientific career.

** The first scientific hand-held calculator ( HP-35 ) is introduced ( price $ 395 ).

** At a scientific meeting in Honolulu, Herbert Boyer and Stanley N. Cohen conceive the concept of recombinant DNA.

** A Soviet station becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.

** LSD is made illegal in the United States and controlled so strictly that not only were possession and recreational use criminalized, but all legal scientific research programs on the drug in the US were shut down as well.

** The U. S. scientific satellite Seasat is launched.

** A massive short circuit in Seasat's electrical system ends the satellite's scientific mission.

** 1 E + 9 m < sup > 2 </ sup > in scientific notation

** 1 E + 6 m < sup > 2 </ sup > or 10 < sup > 6 </ sup > m < sup > 2 </ sup > in scientific notation

** Industrial, scientific and medical equipment ( ISM )

** Plant pathology – scientific study of plant diseases caused by pathogens ( infectious diseases ) and environmental conditions ( physiological factors ).

** Scientific progress, the idea that science increases its problem solving ability through the application of some scientific method.

** Liberal Arts, with concentrations in: entertainment technology, ethnoarchaeology, fine and performing arts, foreign language, geography, humanities and social thought, international relations, philosophy, politics and law, scientific inquiry, social issues

** 3 March 1997 )-for the contribution to the development of space, the strengthening of international scientific and cultural ties and years of diligent work

** Affective science, the scientific study of emotion

** 3rd class ( 3 October 1996 )-for outstanding scientific achievements and the training of highly qualified personnel