Tiny sea creature’s genes shed light on evolution of immunity

When compatible Hydractinia symbiolongicarpus colonies recognize each other as “self,” via Alr genes, they fuse together. Credit: Huene, AL et al., PNAS, 2022 How a tiny marine invertebrate distinguishes its own cells from competitors’ bears striking similarities to the human immune system, according to a new study led by the University of Pittsburgh School of … Read more

Physicists shed light on a different kind of chaos

The experimental setup used by the Weld Lab. Credit: Tony Masters Physicists at UC Santa Barbara, the University of Maryland, and the University of Washington have found an answer to the longstanding physics question: How do interparticle interactions affect dynamical localization? “It’s a really old question inherited from condensed matter physics,” said David Weld, an … Read more

ESA to capture light from deflected asteroid’s new plume

Space Safety 09/26/2022 520 views 10 likes In brief On 26 September, NASA will purposefully crash their DART spacecraft into the 160 m wide Dimorphos asteroid, in the first-ever test of deflection by means of ‘kinetic impact’. The moment the spacecraft collides with the asteroid a plume of material is expected to be thrown into … Read more

How an effort to reduce fossil fuel use led to another environmental problem: Light pollution

Credit: Unsplash/CC0 Public Domain In 2014, Los Angeles cut its annual carbon emissions by 43% and saved $9 million in energy costs by replacing the bulbs in more than half of the city’s street lamps with light-emitting diodes. That year, the Nobel Prize in physics went to three scientists whose work made those LEDs possible. … Read more

Deepest scientific ocean drilling sheds light on Japan’s next great earthquake

The deep sea scientific drilling vessel Chikyu, which in 2018 performed the deepest drilling of a subduction zone earthquake fault. Credit: Satoshi Kaya/FlickR Scientists who drilled deeper into an undersea earthquake fault than ever before have found that the tectonic stress in Japan’s Nankai subduction zone is less than expected, according to a study from … Read more

Quantum light source advances bio-imaging clarity

Optica (2022). DOI: 10.1364/OPTICA.467635″ width=”800″ height=”345″/> Quantum-enhanced microscopic imaging using water as the signal medium. The imaging object is a triangle-shaped piece of glass shown in the inset of (a), where the white scale bar is 1 mm in horizontal direction. More than 3 dB quantum-enhanced SNR, or image contrast, is clearly visible in (b). … Read more

Researchers suggest novel way to generate a light source made from entangled photons

Credit: Pixabay/CC0 Public Domain Entanglement is a strange phenomenon in quantum physics where two particles are inherently connected to each other no matter the distance between them. When one is measured, the other measurement is instantly a given. Researchers from Purdue University have proposed a novel, unconventional approach to generate a special light source made … Read more

DNA in Viking poop sheds new light on 55,000-year-old relationship between gut companions

sample map. Credit: University of Copenhagen Using fossilized eggs in up to 2,500-year-old feces from Viking settlements in Denmark and other countries, researchers at the University of Copenhagen’s Department of Plant and Environmental Sciences and the Wellcome Sanger Institute (UK) have made the largest and most in-depth genetic analysis of one of the oldest parasites … Read more

Molecular atlas of an Australian dragon’s brain sheds new light on more than 300 million years of brain evolution

The Australian bearded dragon Pogona vitticeps. Credit: Max Planck Institute for Brain Research / G. Laurent These days, dragons are keeping “Game of Thrones” fans on their toes. But they are also providing important insights into vertebrate brain evolution, as revealed by the work of Max Planck scientists on the brain of the Australian bearded … Read more

New light shed on their life in Indonesian aquatic playground

A young reef manta rays inhabiting a nursery area in Wayag Lagoon, Raja Ampat, Indonesia . Credit: Edy Setyawan The early lives of manta rays remain a mystery. This is possibly because most researchers tend to pay more attention to large adult rays than their pups. But now, thanks in part to research conducted by … Read more