It is well known that polar bears feed on vegetation.Here, I report novel observations of polar bears grazing on polar scurvy grass (Cochlearia groenlandica) at the foot of a large seabird colony on a cliff on Spitsbergen, Svalbard, in the summers of 2005, 2006, 2009, 2014 and 2015.Why they choose such energy-costly climbing to feed on plants is no
Pervasive development across the country has resulted in unprecedented urbanization with a phenomenal change to the urban landscape.This rapid expansion of cities has generated characteristic Slip On Shoes local urban climates with an increased land surface temperature (LST) and the intensities of urban heat islands (UHI).The study on LST and UHI c
The technique of processing the test results to the destruction of samples cut from slings and dome fabric after prolonged use or storage of the parachute is described.The normal law of load distribution before failure is adopted.It is proposed to find the minimum breaking load as the lower confidence limit depending on the number of tested samples