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Tech Xplore / The next frontier in clean flight? Jet fuel from city waste
Aviation currently contributes about 2.5% of total global carbon emissions, and with air travel demand expected to double by 2040, cutting those emissions has become a pressing priority. One path forward is sustainable aviation ...
Tech Xplore / Building hypersonic planes won't demand a significantly different design approach, study suggests
Hypersonic planes could fly from Sydney to Los Angeles in just an hour. What's standing in the way of such ultra-fast planes becoming reality is our understanding of how the turbulence they generate as they fly at such high ...
Phys.org / Ethics should lead, not play catch-up, expert emphasizes as Japan panel OKs making human embryos from stem cells
A leading bioethicist at Hiroshima University is calling for an anticipatory, rather than reactive, approach to ethics after a Japanese government panel in August backed a report that brings the country a step closer to becoming ...
Phys.org / Higher methane emissions from warmer lakes and reservoirs may exacerbate worst-case climate scenario
Emissions of the greenhouse gas methane from lakes and reservoirs risk doubling by the end of the century due to climate change, according to a new study from Linköping University, Sweden, and NASA Ames Research Center in ...
Phys.org / An ancient, tough little wallaby set the scene for kangaroo bounding success, finds research
Flinders University fossil experts have unearthed more clues about why kangaroos and wallabies have endured to become one of the continent's most prolific marsupial groups. They have analyzed the powerful limbs of Australia's ...
Phys.org / Shouting at seagulls could stop them stealing your food, research shows
Shouting at seagulls makes them more likely to leave your food alone, research shows. The paper, "Herring gulls respond to the acoustic properties of men's voices," is published in Biology Letters.
Phys.org / Scientists make dark exciton states shine through nanotube engineering
A research team at the City University of New York and the University of Texas at Austin has discovered a way to make previously hidden states of light, known as dark excitons, shine brightly, and control their emission at ...
Phys.org / Satellites play critical role in tracking climate adaptation, researchers say
Satellite-based Earth observation provides a unique and powerful tool in tracking climate adaptation, an international study involving University of Galway researchers has shown.
Phys.org / Seal escapes orca hunt by jumping onto photographer's boat
A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of killer whales hunting a seal that survived only by clambering onto the stern of her boat.
Phys.org / Demand for JWST's observational time hits a new peak
Getting time on the James Webb Space Telescope (JWST) is the dream of many astronomers. The most powerful space telescope currently in our arsenal, the JWST has been in operation for almost four years at this point, after ...
Phys.org / Scientists discover chameleon's telephone-cord-like optic nerves once overlooked by Aristotle and Newton
Chameleons' wandering eyes have fascinated and puzzled scientists since the days of ancient Greece. Now, after millennia of study, modern imaging has revealed the secret of their nearly 360-degree view and uncanny ability ...
Phys.org / 'Weird' new species of ancient fossil snake discovered in southern England
An extinct snake has slithered its way out of obscurity over four decades after its discovery. The newly described species of reptile, Paradoxophidion richardoweni, is offering new clues in the search for the origin of "advanced" ...
