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Phys.org / How to spot the Perseid meteor shower, a summer light show that promises to dazzle
The Perseid summer light show is back—and viewing conditions are especially promising for the Northern Hemisphere.
Phys.org / New catalyst with 75% less platinum promises to reduce the cost of hydrogen fuel cells
The high cost of platinum is one of the main barriers to the wider adoption of hydrogen fuel cells. Now, researchers at IMDEA Materials Institute have developed a catalyst that delivers the same performance while using 75% ...
Phys.org / Tiny particles defy action-reaction symmetry to stay in motion
From schools of fish and flocks of birds to microscopic synthetic particles, many systems in nature and the laboratory consist of individual units or agents that move by consuming energy. These systems are known as active ...
Medical Xpress / Low-fat vegan diet cuts dietary energy density by nearly a third, helping explain weight loss
A low-fat vegan diet lowers the energy density of the foods people eat by roughly 30%, allowing them to eat satisfying amounts of food while taking in fewer calories and losing weight—without deliberately restricting calories—according ...
Medical Xpress / New study finds bacterial infections affect about 1 in 20 hospitalized adults with firearm injuries
A new study by researchers at the University of Maryland School of Medicine (UMSOM) found that bacterial infections develop in approximately 5% of adults hospitalized with firearm injuries, with most infections occurring ...
Phys.org / Rare Mars meteorite preserves 1.27-billion-year-old clues to planet's deep interior
Boston College scientists have determined that a newly discovered meteorite from Mars is 1.27 billion years old and derived from a previously unsampled, pristine source on the Red Planet. The study is published in the journal ...
Phys.org / Charge-based strategy improves controlled delivery of therapeutic peptides from gelatin-based materials
Rice University engineers have developed a new strategy for controlling how therapeutic peptides are released from gelatin-based materials, a step that could make the small but powerful molecules more useful in tissue engineering ...
Phys.org / Hong Kong weather observatory posts record high temperature
Hong Kong's weather observatory posted a record high temperature of 36.9°C (98°F) on Sunday as Typhoon Dolphin swept warm air over the city, the meteorological service said.
Medical Xpress / Protein 'switch' determines whether liposarcoma cells will become aggressive
New research from an expert in cancer biology explains what triggers liposarcoma cells to become more or less aggressive and identifies potential targets that could keep aggressive tumors in check. A study led by Blake Wilde, ...
Phys.org / Over half of people are unaware of the environmental effects of sunscreen
This summer, millions of people across the country have been digging out sunscreen to protect themselves from a record-breaking series of heat waves.
Phys.org / Australia has pledged to restore nature. But could we ever bring back lost ecosystems?
Nature is not doing well in Australia. Many unique mammals, birds and insects are struggling. Entire ecosystems are collapsing.
Medical Xpress / Dense breasts or breast cancer in the family? What screening changes mean for you
The way women are screened for breast cancer in Australia is changing. According to a newly released review, this means moving away from screening based largely on someone's age. Instead, screening would be tailored according ...
