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Sloths, which once roamed the Americas, ranged from tiny, cat-sized animals that lived in trees to massive ground sloths that may have weighed up to six tons. The only species we know today are two-to...
Shaking up the fish family tree:'Living fossil' not as old as we thought（图）
shaking up the fish family tree living fossil as old as we thought
2017/9/19
Polypterids are weird and puzzling African fish that have perplexed biologists since they were discovered during Napoleon's expedition to Egypt in the late 1700s.Often called living fossils, these eel...
Fossil skeleton confirms earliest primates were tree dwellers
Fossil skeleton primates tree dwellers
2017/7/21
Earth’s earliest primates dwelled in treetops, not on the ground, according to an analysis of a 62-million-year-old partial skeleton discovered in New Mexico — the oldest-known primate skeleton.The sk...
Tree-ring cellulose d18O variability in pine and oak and its potential to reconstruct precipitation and relative humidity in central Japan
tree-ring cellulose d18O pine oak precipitation relative humidity central Japan
2017/4/10
Oxygen isotope ratios (d18O) of tree-ring cellulose in pine (Pinus densiflora) and oak (Quercus serrate and Quercus
variabilis) growing in central Japan from 1970 to 2011 share a common inter-annual ...
Four-eyed daddy longlegs fossil fills in evolutionary tree
Four-eyed daddy longlegs fossil fills evolutionary tree
2014/4/16
COLUMBIA, Mo. – The Cambrian Period is a time when most phyla of marine invertebrates first appeared in the fossil record. Also dubbed the “Cambrian explosion,” fossilized records from this time provi...
Distribution and isotopic composition of n-alkanes from grass, reed and tree leaves along a latitudinal gradient in China
plant n-alkanes carbon isotopes hydrogen isotopes China
2017/4/12
Molecular composition and compound-specific carbon and hydrogen stable isotope ratios of n-alkanes are presented
for leaves of grass, reeds and trees from five regions extending between latitudes 22°...