unique sample
21Chemical biology — is a scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.… …
22Radiocarbon 14 dating of the Turin Shroud — Radiocarbon dating of the Turin Shroud was the most famous scientific study performed on the artifact. The radiocarbon dating was carried out in 1988 and dated the cloth is to between 1260 and 1390 C.E., compatible with the first recorded mention …
23surface analysis — ▪ chemistry Introduction in analytical chemistry (chemistry), the study of that part of a solid that is in contact with a gas or a vacuum. When two phases of matter are in contact, they form an interface. The term surface is usually… …
24Medical prescription — ℞ redirects here. For other uses of Rx, see Rx. A prescription (℞) is a health care program implemented by a physician or other medical practitioner in the form of instructions that govern the plan of care for an individual patient.[1]… …
25Maximum likelihood — In statistics, maximum likelihood estimation (MLE) is a method of estimating the parameters of a statistical model. When applied to a data set and given a statistical model, maximum likelihood estimation provides estimates for the model s… …
26Bioacoustics therapy — Bioacoustic Therapy is a technique in alternative medicine that involves the analysis of sound waves produced during vocalization combined with presentation of low frequency analog sound to promote healing. Klotter, Jule (2004): “Human… …
27metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …
28Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
29Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
30Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
