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2019: Chinese probe Chang'e 4 becomes the first human-made object to land on the far side of the Moon. [83] 2019: NASA concludes the 15-year Opportunity rover mission after being unable to wake the rover from hibernation. [84] 2019: The first image of the supermassive black hole inside galaxy Messier 87 was captured by the Event Horizon ...
Research design Utility Potential analysis Between-group design: Experiment that has two or more groups of subjects each being tested by a different testing factor simultaneously: Student's t-test, Analysis of variance, Mann–Whitney U test: Repeated measures design
There are many ways to classify research designs. Nonetheless, the list below offers a number of useful distinctions between possible research designs. A research design is an arrangement of conditions or collection. [5] Descriptive (e.g., case-study, naturalistic observation, survey) Correlational (e.g., case-control study, observational study)
10 January – Astronomers propose that AT2018cow, a very powerful astronomical explosion, 10–100 times brighter than a normal supernova, may have been a white dwarf being pulled apart by a black hole; or, a supernova leaving behind a black hole or a neutron star, the creation of a compact body being observed for the first time. [19] [20] [21]
15 January 2010: Marshall Warren Nirenberg, a Nobel Prize-winning American biochemist, dies aged 82. 3 January John Keith Irwin (b. 1929), sociologist, specialist in the American prison system. Francis Gillingham (b. 1916), neurosurgeon, stereotactic surgery pioneer. 10 January – Donald Acheson (b. 1926), epidemiologist, former UK Chief ...
A gateway to results of DOE research and development and major R&D accomplishments of interest to DOE. Not working from 2014 Free DOE: Sparrho: Multidisciplinary: Research articles and patents from 45k+ journals and preprint servers. Uses content recommendation concept. Subscription Distylled Ltd.
Nova ScienceNow (styled NOVΛ scienceNOW) is a spinoff of the long-running and venerable PBS science program Nova.Premiering on January 25, 2005, the series was originally hosted by Robert Krulwich, who described it as an experiment in coverage of "breaking science, science that's right out of the lab, science that sometimes bumps up against politics, art, culture". [1]
Nature 's 10 is an annual listicle of ten "people who mattered" in science, produced by the scientific journal Nature. Nominees have made a significant impact in science either for good or for bad. Nominees have made a significant impact in science either for good or for bad.