Secondary eyewall formation in upper- and lower-layer vertical wind shear simulated in idealized tropical cyclones
About 80% of intense tropical cyclones (TCs) possess concentric eyewalls—namely, the primary and secondary eyewalls. The intensity of the TC can vary considerably during secondary eyewall formation (SEF) and eyewall replacement, posing a great chal.....»»
Rocket Report: Starship stacked; Georgia shuts the door on Spaceport Camden
United Launch Alliance is under pressure ramp up the flight rate for the new Vulcan rocket. Enlarge / On Wednesday, SpaceX fully stacked the Super Heavy booster and Starship upper stage for the mega-rocket's next test flight from.....»»
Into the abyss: Understanding black hole formation through natal kicks and neutrino emission
A new study in Physical Review Letters explores the conditions of black hole formation from dying stars, particularly the role of neutrino-induced natal kicks in the formation process......»»
How saber-toothed tigers acquired their long upper canine teeth
An international team led by scientists from the University of Liège has investigated the evolutionary patterns behind the development of saber teeth, with some unexpected results along the way. Their study has been published in the journal Current.....»»
A golden layer unlocks sharper imaging and faster scanning with X-rays
Scientists have made a breakthrough in significantly improving the sharpness of X-ray imaging and potentially boosting the speeds at which X-ray scans can be processed. This lays the groundwork for both better medical imaging and faster security clea.....»»
Column: Toyota spent a bunch to build batteries. It could have spent more to make its own electricity
Toyota is spending $13.9 billion to build EV batteries in rural N.C. It should have spent more to add on-site solar, wind generation from the get-go......»»
Boeing is troubleshooting a small helium leak on the Starliner spacecraft
The first launch of astronauts aboard Boeing's Starliner capsule is now set for May 21. Enlarge / A view looking down at Boeing's Starliner spacecraft and United Launch Alliance's Atlas V rocket inside the Vertical Integration Fa.....»»
Input from young and aspiring technicians wanted for survey
TechForce Foundation is soliciting feedback from new technicians and high school and post-secondary students enrolled in automotive training programs for its inaugural Techs Talk survey......»»
Non-photosynthetic vegetation helps improve accuracy of wind erosion impact assessment
The process of soil wind erosion is influenced by vegetation cover. From a functional point of view, vegetation can be divided into photosynthetic vegetation (PV) and non-photosynthetic vegetation (NPV). The NPV represents dormant and dead vegetation.....»»
Discovery of biomarkers in space—conditions on Saturn"s moon Enceladus simulated in the laboratory
In 2018, very large organic molecules were discovered in ice particles on Saturn's moon Enceladus. It is still unclear whether they indicate the existence of life or were created in some other way. A recent study could help to answer this question. I.....»»
Monster galactic outflow powered by exploding stars
Star death and birth both contribute to driving material out of a galaxy. Enlarge / All galaxies have large amounts of gas that influence their star-formation rates. (credit: NASA, ESA, CSA, and J. Lee (NOIRLab)) Galaxie.....»»
NHTSA probes 200,000 Ford Super Duty trucks for risk of fire
NHTSA said it received 27 complaints alleging diesel fuel leaks due to a "fracture in the secondary fuel filter housing." The proximity of the secondary fuel filter to high heat sources could result in fire, NHTSA said......»»
Unearthing the impacts of hydrological sensitivity on global rainfall
Georgia Tech researcher Jie He set out to predict how rainfall will change as Earth's atmosphere continues to heat up. In the process, he made some unexpected discoveries that might explain how greenhouse gas emissions will impact tropical oceans, af.....»»
AI simulation of flavored vape reactions reveals formation of many hazardous chemicals
New research has uncovered the potentially harmful substances that are produced when e-liquids in vaping devices are heated for inhalation. The study, published in Scientific Reports, highlights the urgent need for public health policies concerning f.....»»
Ritacuba Blanco: death of a Colombian glacier
Just a few months ago, the Colombian mountain peak of Ritacuba Blanco was covered in an unbroken layer of white ice and snow, just as it had been for as long as anyone can remember......»»
Discovery of structural specialization in myriapod ovaries
Elaborate observations reveal the structural specialization within an epithelial layer covering oocytes in the Japanese pill-millipede, Hyleoglomeris japonica, considered absent in Myriapoda. Comparing this result with previous descriptions suggested.....»»
Decoding development: mRNA"s role in embryo formation
A new study at Hebrew University reveals insights into mRNA regulation during embryonic development. The study sheds light on the intricate process of mRNA regulation during embryonic development, providing novel insights into how pluripotent cells a.....»»
Rich molecular language guides tiny liquid droplet formation in cells
Peering into a biological cell reveals a bustling microscopic world. The workhorses within this realm are specialized structures called organelles that perform vital cellular functions. Curiously, some organelles defy accepted convention: Instead of.....»»
Self-critical perfectionism gnaws on students" well-being already in lower secondary school, says study
Young people's perfectionism is manifested as concern over their competence and fear of making mistakes......»»
Simulated chemistry: New AI platform designs tomorrow"s cancer drugs
Scientists at UC San Diego have developed a machine learning algorithm to simulate the time-consuming chemistry involved in the earliest phases of drug discovery, which could significantly streamline the process and open doors for never-before-seen t.....»»
Animal behavior research better at keeping observer bias from sneaking in—but there"s still room to improve
Animal behavior research relies on careful observation of animals. Researchers might spend months in a jungle habitat watching tropical birds mate and raise their young. They might track the rates of physical contact in cattle herds of different dens.....»»