The remains are the earliest trace of human activity found in central Taiwan, scientists say.
But it may be in serious danger.
Giant dinosaurs were small and cute at birth, a study of baby Rapetosaurus bones reveals.
"I immediately thought that maybe I had found something special," said the now 12-year-old.
New research suggests that a species of unicorn-like horned rhinos went extinct much later than previously thought.
The vessel is remarkably well preserved.
The newly discovered Machimosaurus rex may have roamed southern Tunisia about 130 million years ago.
"It is older than the Earth itself."