New DNA sequencing technologies have identified the historical remains of George Washington's grandnephews, Samuel Walter Washington and George Steptoe Washington Jr., and their mother, Lucy Payne Washington, from unmarked, ...
Archaeology
Mar 28, 2024
1
77
PFAS have earned the name "forever chemicals" with good reason—the man-made compounds, which can take thousands of years to degrade and are found in everything from grease-resistant food packaging to water-repellent clothing, ...
Biochemistry
Feb 8, 2024
0
364
Microplastics are tiny, barely visible plastic particles that can harm the environment, for example, if they are eaten by animals. However, it has been difficult to assess the effect of even smaller particles, which can hardly ...
Nanophysics
Jul 18, 2023
0
1
All chlamydiae today live inside the cells of hosts ranging from amoeba to animals. A team of scientists from the University of Vienna and the Wageningen University & Research found that the ancestor of chlamydiae likely ...
Evolution
Jan 10, 2023
0
51
A scientific expedition in the Javari River basin on the border between Brazil, Colombia and Peru has shown use of environmental DNA sequencing to be feasible to investigate fish diversity in the Amazon. The eDNA method consists ...
Plants & Animals
Nov 23, 2021
0
110
Abrupt changes in ice core samples and other records indicate dramatic changes in climate occurred at certain points in the past.
Earth Sciences
Nov 16, 2021
0
144
Wastewater carries large quantities of organic substances into the rivers and lakes, leading to heavy growth of bacteria and oxygen deficiency. Measurement methods have so far been incapable of measuring this organic pollution ...
Earth Sciences
Apr 14, 2021
0
27
Standard snapshots from space don't quite show Earth in all its glory. There's so much more to see.
Optics & Photonics
May 20, 2019
0
81
Artistic sketches can be used to capture details of a scene in a simpler image. MIT researchers are now bringing that concept to computational biology, with a novel method that extracts comprehensive samples—called "sketches"—of ...
Molecular & Computational biology
May 2, 2019
0
22
(Phys.org) -- Using a sensor made of densely packed carbon nanotubes coated with gold nanoparticles, a researcher team headed by James Rusling of the University of Connecticut has developed a low-cost microfluidic device ...
Bio & Medicine
Jul 5, 2012
0
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