Tropical regions contain many of the world's species and scientists consider them hotspots due to their immense biological diversity. However, due to limited sampling our knowledge of tropical diversity remains incomplete, ...
Plants & Animals
Dec 10, 2020
0
136
New research suggests that American mastodons were avid travelers, migrating vast distances across North America in response to dramatic climate change during the ice ages of the Pleistocene. The study, conducted by an international ...
Archaeology
Sep 1, 2020
2
622
Ocean plankton are the drifters of the marine world. They include algae, animals, bacteria, and protists that are at the mercy of the tide and currents. Many are microscopic, though others, like jellyfish, can grow to relatively ...
Plants & Animals
Jul 15, 2020
0
169
University of Wisconsin-Madison scientists have found that a constantly fluctuating environment can enable some species to invade new areas by helping them maintain the genetic diversity they need to settle into their new ...
Evolution
Jun 22, 2020
0
112
In the world of paleoecology, little has been known about the historical record of ecosystems in the West African highlands, especially with regard to glacial cycles amidst a shifting climate and their effects on species ...
The Tasmanian tiger was doomed long before humans began hunting the enigmatic marsupial, scientists said Tuesday, with DNA sequencing showing it was in poor genetic health for thousands of years before its extinction.
Plants & Animals
Dec 12, 2017
0
293
An international team of microbiologists led by Klaus Nüsslein of the University of Massachusetts Amherst has found that a troubling net loss in diversity among the microbial organisms responsible for a functioning ecosystem ...
Environment
Dec 24, 2012
1
0
Until today, Alfred Russell Wallace's century old map from 1876 has been the backbone for our understanding of global biodiversity. Thanks to advances in modern technology and data on more than 20,000 species, scientists ...
Ecology
Dec 20, 2012
0
0
Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential for survival. These ...
Cell & Microbiology
Apr 5, 2012
3
0
Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led by Brown University ...
Evolution
Dec 26, 2011
16
0
