(Phys.org)—Horseshoe crabs, including the iconic Limulus we know today, have existed for more than 450 million years. Over that long history, evolutionary change has particularly affected the nature of their legs.
Archaeology
Sep 11, 2012
0
0
Scientists seeking to understand the origin of the human mind may want to look to honeybees -- not ancestral apes -- for at least some of the answers, according to a University of Colorado Boulder archaeologist.
Archaeology
Apr 20, 2011
3
0
(PhysOrg.com) -- New research appears to have ended a scientific debate that has vexed palaeontologists for almost 100 years.
Archaeology
Dec 10, 2009
2
1
University of Florida researchers presenting new fossil evidence of an exceptionally well-preserved 55-million-year-old North American mammal have found it shares a common ancestor with rodents and primates, including humans.
Archaeology
Oct 11, 2010
0
0
How long have viruses been around? No one knows. Scientists at Portland State University have begun taking the first steps toward answering this question.
Earth Sciences
Sep 6, 2010
1
0
Tiny 1,900 million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled like.
Earth Sciences
Apr 29, 2013
1
0
Exquisitely preserved feeding marks on fossil conifer leaves show that the same insect feeding and fungi persisted for millions of years on the same type of plant, from ancient Patagonian rainforests to the modern rainforests ...
Plants & Animals
Nov 25, 2020
0
109
If you looked up 66 million years ago you might have seen, for a split second, a bright light as a mountain-sized asteroid burned through the atmosphere and smashed into Earth. It was springtime and the literal end of an ...
Paleontology & Fossils
Sep 16, 2023
0
1
Where was the evolutionary birthplace of modern humans? The East African Great Rift Valley has long been the favoured contender—until today.
Archaeology
Oct 29, 2019
0
33
An extinct species of dwarf elephant experienced a weight and height reduction of 8,000kg and almost two meters after evolving from one of the largest land mammals that ever lived, a new study has confirmed.
Evolution
Jun 21, 2021
0
1987
