In a study led by Leiden alumnus Jan Dekker, based on his research master's thesis, he applied Mass Spectrometry Imaging to archaeological human teeth. The research shows that there are large differences in the intensity ...
Archaeology
Feb 20, 2023
0
38
Two sister species of near-primate, called "primatomorphans," dating back about 52 million years have been identified by researchers at the University of Kansas as the oldest to have dwelled north of the Arctic Circle. The ...
Paleontology & Fossils
Jan 25, 2023
0
89
The Great Lakes have endured a lot the past century, from supersized algae blobs to invasive mussels and bloodsucking sea lamprey that nearly wiped out fish populations.
Earth Sciences
Dec 19, 2022
0
40
Giant skeletons aren't the only evidence that dinosaurs left behind. Tiny eggshell fragments can reveal aspects of Mesozoic ecosystems that fossilized bones and teeth fail to capture, especially because the skeletons of smaller ...
Ecology
Nov 29, 2022
0
21
Imagine that you have an unhealthy interest in your neighbors' lives. Unable to ask them directly, you rifle through their rubbish bins. You find the bones of cooked chickens and try and work out what else they eat.
Archaeology
Nov 4, 2022
2
212
By applying an algorithm akin to what Facebook uses to make friend suggestions, researchers have identified communities of ancient life in the fossil record and tracked how their numbers changed through each of the planet's ...
Paleontology & Fossils
Feb 28, 2022
0
43
Eurypterids, normally known as sea scorpions, are an important group of Paleozoic chelicerate arthropods. As a "star animal" in the Silurian (about 430 million years ago) sea, its evolutionary history and paleoecological ...
Paleontology & Fossils
Sep 29, 2021
0
142
The braincase of crocodylians has a distinctive structure. Unlike evolutionary relatives (birds and squamates), in crocodylians, all braincase bones are rigidly fixed together and form an akinetic structure. In the process ...
Plants & Animals
Jul 6, 2021
0
1
The earliest multicellular organisms may have lacked heads, legs, or arms, but pieces of them remain inside of us today, new research shows.
Evolution
Mar 8, 2021
4
9114
If you want to understand an ecosystem, look at what the species within it eat. In studying food webs—how animals and plants in a community are connected through their dietary preferences—ecologists can piece together ...
Archaeology
Jan 14, 2021
0
82
