52% of emissions from major urban areas come from just 25 big cities

Around 56 percent of the world’s population currently live in cities, a figure that is expected to increase in coming decades. It follows that these urban areas account for a large amount of the world’s greenhouse has emissions, and a new study designe… Continue reading 52% of emissions from major urban areas come from just 25 big cities

Vaccine for bacterial meningitis could be delivered via nose drops

Through a world-first trial, scientists in the UK have demonstrated the potential of a new vaccine to treat a life-threatening form of meningitis, and it can be delivered via nose drops. The researchers have developed a way of preventing meningococcal … Continue reading Vaccine for bacterial meningitis could be delivered via nose drops

Low-energy e-paper goes inverted for a full array of brilliant colors

From building facades in San Diego to road signs in Australia, we are starting to see electronic paper make its way beyond the pages of Kindles and into the world in some very interesting ways. Working to widen the applications for this promising techn… Continue reading Low-energy e-paper goes inverted for a full array of brilliant colors

AI tool analyzes CT scans to spot prostate cancer in seconds

Continuous advances in artificial intelligence promise to shake up medical care in all kinds of exciting ways, with the ability to rapidly scan medical images and spot signs of disease far more efficiently than humans can. Scientists in Australia have … Continue reading AI tool analyzes CT scans to spot prostate cancer in seconds

Autonomous Saildrone maps miles of seafloor in successful maiden voyage

As it stands, something like 80 percent of the seafloor remains unmapped, despite oceans covering 70 percent of the globe. That would be a lot of terrain for humans to survey, but lately we’re seeing how sophisticated, ocean-going robots might do most … Continue reading Autonomous Saildrone maps miles of seafloor in successful maiden voyage

Scientists produce continuous sheets of sustainable mushroom leather

Producing leather from animal skin is a practice humans have engaged in for thousands of years, but the environmental consequences of modern processing techniques have led some to seek a greener alternative. Among them are scientists at Finland’s VTT T… Continue reading Scientists produce continuous sheets of sustainable mushroom leather

Modular, floating tidal energy system passes a key “20-year test”

Solar and wind are the stars of the show when it comes to renewable energy, but we’re starting to see some exciting progress in turbines that harness the power of the planet’s tidal patterns. Looking to leverage all that motion in the ocean is UK start… Continue reading Modular, floating tidal energy system passes a key “20-year test”