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Knowing a big deal when you see it（图）
化石 爬行动物 鳞龙
2023/6/21
It’s not uncommon for scientists to have to run experiments numerous times to see whether they have a big discovery on their hands. Every once in a while, though, a researcher makes a big find more or...
New study helps pinpoint when Earth's plate subduction began（图）
New study pinpoint when Earth plate subductiona
2020/12/18
A U.S. National Science Foundation-funded study by scientists at the Scripps Institution of Oceanography and the University of Chicago sheds light on a major question in Earth sciences:...
A Horse Is A Horse,Of Course,Of Course—Except When It Isn’t（图）
A Horse Is A Horse Except When It Isn’t
2017/12/18
An international team of researchers has discovered a previously unrecognized genus of extinct horses that roamed North America during the last ice age.
The new findings, published November 28 in the...
In 2010, Iceland's Eyjafjallajokull volcano -- its crater covered by glacier ice -- erupted, spewing clouds of ash that led to delays in flights to and from Europe. Now Katla, another Iceland volcano,...
When the "primitive" shark Tribodus(Hybodontiformes) meets the "modern" ray Pseudohypolophus (Rajiformes): the unique co-occurrence of these two durophagous Cretaceous selachians in Charentes(SWFrance)
Hybodontiformes Tribodus Rajiformes Pseudohypolophus Palaeoecology Palaeobiogeography
2009/10/20
The palaeoecology and palaeobiogeography of two Cretaceous selachian genera, Tribodus BRITO & FERREIRA,1989 and Pseudohypolophus CAPPETTA & CASE, 1975, are briefly discussed. These two similar-sized t...