Frozen mammoth skin retained its chromosome structure
Features as small as 50 nanometers preserved in a 50,000-year-old sample. Enlarge (credit: LEONELLO CALVETTI/SCIENCE PHOTO LIBRARY) One of the challenges of working with ancient DNA samples is that damage accumulates ove.....»»
Study finds high nitrogen fertilizer input enhances the microbial network complexity in paddy soil
In paddy field, flood-and-drain cycles produce variations in reduced and oxidized environments, which are appropriate habitats for a wide variety of microorganisms. Nitrogen (N) fertilization drives the structure and function of soil microbial commun.....»»
High harmonic spectroscopy retrieves electronic structure of high-pressure superconductors
High pressure has revealed surprising physics and created novel states in condensed matter. Exciting examples include near room temperature superconductivity (Tc > 200 K) in high-pressure hydrides such as H3S and LaH10......»»
Lab-grown canine skin provides canvas for testing medical treatments
Reproducible in-vitro canine skin has been grown in a laboratory setting for the first time by researchers at the Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB......»»
Permafrost alone holds back Arctic rivers—and a lot of carbon
New research from Dartmouth College provides the first evidence that the Arctic's frozen soil is the dominant force shaping Earth's northernmost rivers. Permafrost, the thick layer of soil that stays frozen for two or more years at a time, is the rea.....»»
Under the skin: Bullying"s hidden health effects
Intimidation at school is a widespread and worrying phenomenon being examined through psychology and genomics......»»
Researchers report on recent drought in the eastern Hungarian plains
Intensive agricultural cultivation and the resulting changes in soil structure cause low humidity in the near-surface air during heat waves in really dry years. As a result, summer cold fronts roar across the Great Hungarian Plain without the usual t.....»»
Scientists find a close-loop recycling process for one of the most widely used plastics
A pioneering development enables the targeted replication of the chemical structure of low-density polyethylene (LDPE), a plastic that has been difficult to imitate until now, and shows great potential for sustainable alternatives in the plastics ind.....»»
Gene expression influences 3D folding of chromosomes by altering structure of the DNA helix, finds study
A collaborative study by the UTokyo-KI LINK program, headed by Camilla Björkegren from Karolinska Institutet, Kristian Jeppsson and Katsuhiko Shirahige from The University of Tokyo shows that a protein complex named Smc5/6 binds DNA structures calle.....»»
Daily Telescope: Webb telescope reveals breathtaking structure of galaxies
"These holes may have been created by one or more stars that exploded." Enlarge / Nineteen galaxies observed head-on by the James Webb Space Telescope. (credit: NASA, ESA, CSA, STScI, et. al.) Welcome to the Daily Te.....»»
New study validates method for guided discovery of 3D flat-band materials
Rice University scientists have discovered a first-of-its-kind material, a 3D crystalline metal in which quantum correlations and the geometry of the crystal structure combine to frustrate the movement of electrons and lock them in place......»»
Our fave bureaucratic villain is back in Ghostbusters: Frozen Empire trailer
We also welcome the return of Janine Melnitz: "Ghostbusters, whaddaya want?" There's plenty of old familiar faces in the latest trailer for Ghostbusters: Frozen Empire. Every good comedy needs a villain audiences love to hate, and t.....»»
Molecular simulation AI tool reveals unresolved structure of transporter protein
In a groundbreaking study, researchers have unveiled a previously unknown conformational state of a crucial transporter protein, OxlT, which plays a vital role in preventing kidney stone formation. This discovery, achieved through advanced computatio.....»»
Apple to see little impact from EU regulations, says investing firm
J.P. Morgan says Apple won't see much immediate impact on App Store revenue due to how its new fee structure is arranged, but regulators around are likely eyeing the solution.Apple's EU changes won't have impact on revenueApple has changed how it doe.....»»
Researchers develop puffed-up MOFs for improved drug delivery
The spongelike structure of metal-organic frameworks (MOFs) allows these polymers to possibly carry and deliver a range of therapeutic compounds. Now, researchers reporting in ACS Applied Bio Materials have treated a chromium-containing MOF with a do.....»»
Using dragonfly wings to study the relationship between corrugated wing structure and vortex motions
Scientists from Hiroshima University undertook a study of dragonfly wings in order to better understand the relationship between a corrugated wing structure and vortex motions. They discovered that corrugated wings exhibit larger lift than flat wings.....»»
How HIV smuggles its genetic material into the cell nucleus
Each year, about 1 million individuals worldwide become infected with HIV, the virus that causes AIDS. To replicate and spread the infection, the virus must smuggle its genetic material into the cell nucleus and integrate it into a chromosome......»»
Cellular scaffolding rewired to make microscopic railways
Princeton researchers have learned to harness the gossamer scaffolding that maintains the structure of living cells and used it to develop a nanotechnology platform. The technique eventually could lead to advances in soft robotics, new medicines, and.....»»
Prehistoric chefs retained strong cooking traditions, ancient pottery and DNA analysis reveals
Archaeologists have combined DNA analysis with the study of pottery to examine the spread of broomcorn millet across Eurasia, revealing how regional culinary traditions persisted even as new crops were introduced......»»
Researchers develop nanofiber-based drug delivery system for skin cancer
Treating complex diseases such as skin cancer often requires simultaneous administration of multiple anticancer drugs. The delivery of such life-saving therapeutic drugs has evolved with the rise of nanotechnology-based drug carriers. Nanoplatforms o.....»»
Altered light-harvesting complex in a cyanobacterium allows low-energy light use
Researchers have isolated and determined the molecular structure of the light-harvesting antenna that helps some cyanobacteria—formerly referred to as blue-green algae—produce energy through photosynthesis even in lower-energy light......»»