In Brazil, climate and other human-made environmental changes threaten decades-long efforts to fight schistosomiasis, a widespread and debilitating parasitic disease. Now, researchers have developed models that can predict how the disease risk will shift in response to environmental changes.
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Nature’s design marvel: How shark skin’s denticles adapt to wide speed
New findings on how sharks achieve drag reduction could inspire the design of riblets for more efficient aircraft and boats. In their investigation of great white shark denticles, researchers found that ridge height and spacing play crucial roles in drag reduction at different swimming speeds. Higher middle ridges aid sharks...
Ultrafine particles linked to over 1,000 deaths per year in Canada’s two largest cities
A new study conducted in Canada's two largest cities has linked about 1,100 premature deaths per year to an unregulated air pollutant. Ultrafine particles (UFPs) primarily come from vehicle emissions and industrial activities. Canada's federal and provincial governments have not set concentration limits for UFPs, as they have for larger...
New model refutes leading theory on how Earth’s continents formed
Computational modeling shows that plate tectonics weren't necessary for early continents.
Scientists and climate change: Extreme concern and high level of engagement
Scientists from across academic disciplines are extremely concerned about climate change. Many of them have already changed their own lifestyles or engaged in advocacy and protest, with even more being willing to do so in future. This is evident from a large-scale survey of scientists from all over the world.
How the rising earth in Antarctica will impact future sea level rise
The rising earth beneath the Antarctic Ice Sheet will likely become a major factor in future sea level rise, a new study suggests.
Link between global warming and rising sea levels
A new study suggests that Earth's natural forces could substantially reduce Antarctica's impact on rising sea levels, but only if carbon emissions are swiftly reduced in the coming decades. By the same token, if emissions continue on the current trajectory, Antarctic ice loss could lead to more future sea level...
Allergy cells’ hidden secret
Known for their role in allergic reactions, mast cells have long been recognised as key players in our immune system. When they encounter allergens, they release chemicals that trigger typical allergy symptoms such as tissue swelling and inflammation. Now, researchers have discovered a hidden talent of mast cells: they can...
Fossil shows how penguins’ wings evolved
A tiny fossil penguin plays a huge role in the evolutionary history of the bird, an international study shows.
Australia’s Snowy Mountains Coated in White
Winter made a bold—if late—entrance to the mountains in southeastern Australia.