A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus lancensis, was first ...
Evolution
Jan 2, 2024
0
1165
The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly different dinosaur sizes ...
Evolution
Feb 23, 2023
0
166
In an age of unprecedented high atmospheric carbon dioxide levels, the question of whether or not plants and trees can utilize excess carbon through photosynthesis is one of paramount importance. Researchers have observed ...
The growth of forest trees all over the world is becoming more water-limited as the climate warms, according to new research from an international team that includes University of Arizona scientists.
Environment
Jan 16, 2019
1
1100
Droughts can be good for trees; certain trees, that is.
Plants & Animals
May 22, 2023
0
35
Swiss scientists are reconstructing the climate of the ancient world using small wooden artifacts hung on mummified remains.
Archaeology
Apr 4, 2023
0
255
Aetosaurs had a small head and a crocodile-like body. The land dwellers were up to six meters long and widely distributed geographically. They died out about 204 million years ago, at the end of the Triassic.
Paleontology & Fossils
Feb 13, 2023
0
508
The Mekong River Delta is the agricultural heartland of Vietnam; it is affected by droughts and flooding, which have become more severe in recent years. If severe weather events can be more accurately predicted, risk assessments ...
Earth Sciences
Dec 8, 2022
0
9
A cool pocket climate around the snout of a glacier could help researchers predict how forests will respond to fast climate change, according to the authors of a new 120-year case study of a rapidly advancing and retreating ...
Earth Sciences
Jul 19, 2022
0
66
Columbus was not the first European to reach the Americas. The Vikings got there centuries before, although exactly when has remained unclear. Here, an international team of scientists show that Europeans were already active ...
Archaeology
Oct 20, 2021
0
167
