Scientists develop method to train honey bees to detect explosives, including TNT, C4, and TATP, with exceptional olfactory sense. The technique harnesses the bee's natural reaction to nectar to record an unmistakable response to a scent.
Researchers found that magnetic waves propagate simultaneously in all directions in a Bose Einstein condensate state at high magnetic fields and low temperatures. The discovery reveals a 'lost dimension' effect due to atomic behavior in quantum states.
A large-scale model simulates the spread of a pandemic influenza virus in the US population, exploring the impact of interventions such as vaccination and social distancing. The study finds that stockpiling vaccines and implementing a combination of mitigation strategies could be effective in slowing the spread of the flu.
Researchers identify lattice solitons, localized energy waves, in uranium crystals using x-ray and neutron scattering experiments. The discovery has immediate implications for uranium science and solid-state physics.
Los Alamos scientists uncover new relationship between magnetism and unconventional superconductivity in complex materials. They demonstrate that magnetism can be made to reappear in the presence of an applied magnetic field, expanding our understanding of high-temperature superconductors.
Scientists aim to capture ultrafast electron motion using extreme ultraviolet pulses, enabling study of electronic transportation in nanomaterials and biological samples. The proposed attosecond pump-probe technique has potential applications for chemists to design special molecules.
Researchers at Los Alamos National Laboratory have developed a new method for growing crystalline and polycrystalline gallium nitride films using energetic neutral atom-beam lithography/epitaxy. The technique allows for the growth of GaN films on various inexpensive substrate materials, including glass and polymers.
The new superconducting transition-edge sensors (TES) enhance quantum key distribution by detecting single photons with higher efficiency and lower dark count rates than traditional avalanche photodiodes. This allows for increased distances for secure data transmission over optical fibers.
Scientists discover carrier multiplication occurs in nanocrystals of various compositions, including cadmium selenide, boosting photovoltaic technologies. The effect relies on strong electron-electron interactions and can enhance the production of hydrogen through photo-catalytic water splitting.
Researchers at Los Alamos National Laboratory have successfully manipulated electron spins using a scanning optical microscope, achieving a higher degree of spatial coherence compared to traditional methods. This breakthrough could lead to the development of faster and more efficient electronic devices with low power consumption.
Astronomers have detected a unique visible light component that varies with gamma rays, suggesting a common origin for both. This finding contradicts previous theories and sheds new light on the nature of these powerful cosmic events.
Researchers at Los Alamos National Laboratory have successfully demonstrated electroluminescence from all-inorganic nanocrystal-based architecture. The new LEDs utilize colloidal quantum dots and emerging GaN manufacturing technologies to produce high-emission-efficiency, color-selectable light.
Researchers propose new method for studying ion channel kinetics using independent open-to-closed transitions. The new approach allows molecular biologists to simplify models uniquely, distinguishing between different states and enabling better understanding of biological processes.
Researchers have developed a new model to predict the physics of stellar burning, particularly in stars like V4334 Sgr that undergo brief rebirths. The model predicts that V4334 Sgr will become much hotter and then slowly repeat the stellar rebirth cycle, returning to its current temperature in roughly two hundred years.
Researchers found that bacteria's worst enemy in nuclear waste sites may be toxic metals, contradicting conventional wisdom. Actinides are less toxic than other metals, suggesting bioremediation using naturally occurring bacteria can still be effective.
Scientists have found magnetic fluctuations responsible for superconductivity in a compound called plutonium-cobalt-pentagallium (PuCoGa5). This 'unconventional superconductivity' could lead to a new class of superconducting materials and the synthesis of room-temperature superconductors.
Scientists at Los Alamos National Laboratory have developed a novel method for detecting fingerprints based on the chemical elements present in fingerprint residue. The technique, known as micro-X-ray fluorescence, detects sodium, potassium, and chlorine elements that are often present in human fingerprints.
Researchers at Los Alamos National Laboratory have discovered a rare state of matter, Bose-Einstein condensation (BEC), in the ancient pigment Han Purple when subjected to intense magnetic fields. This finding represents a significant breakthrough in quantum physics and has implications for advanced computing technologies.
Researchers have designed a traveling-wave engine that converts 18% of heat source energy into electricity, outperforming current thermoelectric devices. The device's high reliability and efficient energy conversion make it suitable for deep space probes.
Researchers at Los Alamos National Laboratory have successfully grown a single-wall carbon nanotube, reaching a world-record length. This breakthrough has the potential to enable new types of nanoscale electro-mechanical systems, including micro-electric motors and nanoconducting cables.
A team of scientists at Los Alamos National Laboratory discovered a way to control defects in superconducting materials, leading to a two-to-five-fold increase in current densities in high magnetic fields. This breakthrough could revolutionize the development of powerful and energy-efficient superconducting electric motors and generators.
Researchers at Los Alamos National Laboratory have developed a method to exploit spin noise in magnetic atoms to perform detailed magnetic resonance imaging. By using laser-based Faraday rotation, the scientists measured the spectrum of spin noise in rubidium and potassium atoms, revealing their complete magnetic structure.
Researchers at Los Alamos National Laboratory have developed a process to modify silica aerogels with silicon and transition metal compounds using chemical vapor techniques. This enhancement increases the aerogel's strength by four-fold while retaining its valuable porosity and density characteristics.
Researchers created a map of the influenza A (H3N2) virus's antigenic and genetic evolution from 1968 to 2003, revealing 11 closely related virus clusters. The approach will aid in monitoring antigenic differences among vaccine strains and predicting infection success of emerging viruses.
Researchers at Los Alamos National Laboratory have successfully formed pure zirconium metal into glass at temperatures one-third of its melting point and pressures over 50,000 times atmospheric pressure. This breakthrough could lead to the development of stronger materials for various applications.
Scientists used computer models to analyze the internal structures of Jupiter and Saturn, finding that heavy elements like iron are concentrated in Saturn's core. The research uses data from shock compression experiments and helps improve models of the planets' formation.
The Space Simulator, a $500,000 Beowulf cluster, has achieved remarkable performance in astrophysics simulations, calculating the evolution of the Universe and studying massive star explosions. Its low cost and scalability make it an ideal tool for specific research applications.
Researchers at Los Alamos National Laboratory have developed a new method for transferring non-contact energy to nanocrystals from a quantum well. This enables the efficient production of light with controlled color, opening up possibilities for hybrid quantum-well/nanocrystal devices and applications in solar cells.
Los Alamos is leading reactor design for the JIMO mission, which would orbit icy moons to study their makeup and potential for sustaining life. The lab is developing key technologies such as nuclear fuel, beryllium components, and diagnostic instruments for a safe and reliable space reactor.
A new quick screening methodology developed by Los Alamos scientists can identify isotopes in dirty bomb debris in as little as six hours. The procedure uses standard chemical analysis and can characterize Plutonium-239, Uranium-238, Americium-241, Curium-244 and Neptunium-237.
A new study published in Nature Medicine has found that certain human genes can predict the progression rate of AIDS in infected individuals. The researchers analyzed data from a large group of homosexual men with HIV and found that those with specific HLA protein types were more likely to succumb to the disease quickly.
The discovery of Homo sapiens idaltu fossilized skulls in Ethiopia confirms modern humans originated in Africa and predate Middle Eastern remains by 30,000 years. The ancient predecessor's diet included hippopotamus, with stone tool marks suggesting early mortuary practices and possible scavenging.
The XMM-Newton satellite has discovered a faint X-ray glow from a very hot gas in the disk of the Andromeda Galaxy, suggesting recent star formation. Additionally, the team detected an accreting X-ray pulsar, a strongly magnetized neutron star drawing in material from its neighbor.
Researchers at Los Alamos National Laboratory present a new technology that can practically erase mercury from laboratories, reducing environmental and health hazards. The approach involves replacing mercury-containing devices with alternative instruments, which are less expensive and safer to use.
Los Alamos scientists have developed a new method to produce high-purity plutonium sources, which will be used as primary analytical chemistry standards. The new extrusion method produces 99.99% pure plutonium with minimal contaminants and surface oxidation.
The US government's efforts to declassify historic records have been met with frustration from historians and researchers, who face security restrictions and lengthy review processes. Despite these challenges, Meade emphasizes the need for thoughtful declassification to balance secrecy and scholarship.
A team from Los Alamos National Laboratory has mapped the hydrogen distribution on Mars, indicating significant water reserves near the surface and subsurface. The findings suggest that Mars could support future human exploration with its extensive water resources.
A Los Alamos researcher has calculated the frequency of meteor encounters with the atmosphere, finding that individual monitoring stations would see about five meteor signals a year. This research will help improve the accuracy and reliability of nuclear test detection systems.
Researchers at Los Alamos National Laboratory have developed a computer model of the E-coli ribosome, a cellular structure responsible for protein creation. This model has applications in developing new and powerful antibiotics against a range of pathogens, including those used in bioweapons agents.
A team of Los Alamos researchers suggests using a consensus sequence of the HIV-1 virus as a basis for vaccines, rather than geographically specific strains. This approach aims to target common vulnerabilities in multiple strains of the virus.
Biologists discovered that chromosomes fuse together due to telomere replication and distinct protein functions. The study found two types of telomeres and the roles of proteins in normal cell function.
A new process using ultraviolet light has been developed to treat opaque industrial fluids, eliminating the need for chemical biocides and reducing waste volumes. The technology also shows promise in decontaminating drinking water, wastewater, and ballast water from commercial ships.
Researchers successfully demonstrated a novel cleanup technology that efficiently destroys various organic contaminants, including benzene and perchloroethylene, using nonthermal plasma. The technology achieved destruction fractions of up to 99.9 percent, with potential commercial applications for treating legacy waste problems.
Researchers study sound waves traveling through the sun to probe its structure and improve solar models. The GONG data show that the sun's core spins at the same rate as its surface, a problem for understanding the solar system's formation.