A genetic analysis of bone fragments unearthed at an archaeological site in central Germany shows conclusively that modern humans—Homo sapiens—had already reached Northern Europe 45,000 years ago, overlapping with Neanderthals ...
Archaeology
Jan 31, 2024
0
564
Salt marshes are home to tiny crustaceans called amphipods that keep a low profile: Their gray-brown coloring helps them blend in with their surroundings, and they spend most of their time hiding under vegetation. But when ...
Ecology
Aug 23, 2023
0
248
Take a deep breath. Now take nine more. According to new research, the amount of oxygen in one of those 10 breaths was made possible thanks to a newly identified cellular mechanism that promotes photosynthesis in marine phytoplankton.
Evolution
May 31, 2023
0
214
In the evolutionary arms race between rattlesnakes and their prey, rodents, birds and other reptiles develop resistance to the snakes' deadly venom to survive. But new research led by the University of Colorado Boulder and ...
Evolution
Jul 18, 2022
0
81
What makes humans unique? Scientists have taken another step toward solving an enduring mystery with a new tool that may allow for more precise comparisons between the DNA of modern humans and that of our extinct ancestors.
Biotechnology
Jul 16, 2021
22
6607
To answer the question, "Where's Waldo?" readers need to look for a number of distinguishing features. Several characters may be spotted with a striped scarf, striped hat, round-rimmed glasses, or a cane, but only Waldo will ...
Cell & Microbiology
Jul 22, 2019
0
79
Scientists have improved their understanding of a new form of cell-cell communication that is based on extracellular RNA (exRNA). RNA, a molecule that was thought to only exist inside cells, now is known to also exist outside ...
Cell & Microbiology
Apr 4, 2019
1
400
For lovers throughout the animal kingdom, finding a suitable mate requires the right chemistry. Now, scientists at The Rockefeller University have been able to map an unexpected path in which evolution arranged for animals ...
Evolution
Jul 11, 2018
0
184
Long before Europeans settled in Australia humans had migrated from the Indian subcontinent to Australia and mixed with Australian aborigines.
Biotechnology
Jan 14, 2013
9
1
In the quest to understand genomes -- how they're built, how they're organized and what makes them work -- a team of Johns Hopkins researchers has engineered from scratch a computer-designed yeast chromosome and incorporated ...
Cell & Microbiology
Sep 14, 2011
29
0
