Watertown Daily Times Online5 小时
'Dinosaur highway' tracks dating back 166 million years are discovered in England
Researchers in England have unearthed nearly 200 dinosaur tracks that date back 166 million years. The discovery, announced ...
The Cool Down on MSN10 小时
Scientists make 'disturbing' discovery while studying toxic chemicals used to fight ...
A paper recently published in the journal Environmental Science & Technology Letters, conducted by the University of Southern ...