Mesenchymal stem cells (MSC) are capable of spontaneous generation of a whole spectrum of cells of mesenchymal origin.Moreover, they can converse even into elements of different embryonic stems.Such therapeutic potential may be expected only on human embryonic SC which, however, do not fulfill histocompatibility with the recipient tissues.Moreover,
TEKNIK PENILAIAN OBSERVASI DALAM PEMBELAJARAN SEJARAH DI MUSEUM UNTUK PESERTA DIDIK SEKOLAH DASAR
Abstract: This article aims to analyze historical learning in social science subjects by inviting elementary school students to learn outside the classroom.During this time the obstacles in learning history are verbalism, monotony, and lack of understanding of elementary school students about a historical event.Learning history can be maximized if
Preferred habitat of breeding birds may be compromised by climate change: unexpected effects of an exceptionally cold, wet spring.
Previous studies of the consequences for breeding birds of climate change have explored how their populations may respond to increasing temperatures.However, few have considered the likely outcome of predicted extreme conditions and the relative vulnerability of populations in different habitats.Here, we compare phenology and breeding success in gr
A new fish, Peristedion nesium (Scorpaeniformes: Peristediidae) from Isla del Coco, Costa Rica
orly happy camper Several expeditions in recent years to Isla del Coco have increased the total number of species of fishes known from the island.Several of these species have been described as new endemics (Bussing 1983, 1990, 1991a, 1991b, 1997).During the 1972 R/V Searcher Expedition to Costa Rica several trawl collections were made around Isla