A new study has uncovered when and why the native vegetation that today dominates much of Australia first expanded across the continent. The research should help researchers better predict the likely impact of climate change and rising carbon dioxide levels on such plants here and elsewhere.
As humans, we know that some of our activities can cause cancer to develop in our bodies. Smoking, poor diets, pollution, chemicals used as additives in food and personal hygiene products, and even too much sun can contribute to an increased risk of cancer. But, are human activities also causing cancer in wild animals? Researchers from ASU's School of Life Sciences think so and are urgently calling for research into this topic.
Scientists have published a detailed analysis of how 22 recent hurricanes would change if they instead formed near the end of this century. While each storm's transformation would be unique, on balance, the hurricanes would become a little stronger, a little slower moving, and a lot wetter.
Bacteria have long been thought to develop antibiotic resistance largely due to repeated exposure through over-prescribing. But could much bigger environmental pressures be at play?
For decades, scientists have conducted research centered around the five major mass extinctions that have shaped the world we live in. The extinctions date back more than 450 million years with the Late Ordovician Mass Extinction to the deadliest extinction, the Late Permian extinction 250 million years ago that wiped out over 90 percent of species.
Waiting for a 'unicorn technology' that provides green energy at low cost could be more expensive than adopting low-carbon energy technologies now.
A study of drinking water in Appalachian Ohio found no evidence of natural gas contamination from recent oil and gas drilling. Geologists with the University of Cincinnati examined drinking water in northeast Ohio where many residents rely on water from private underground wells. The time-series study was the first of its kind in Ohio.
Scientists at the Goethe University and the Senckenberg Gesellschaft für Naturforschung have compared the ecological niches of the Asian tiger mosquito and the yellow fever mosquito, both of which transmit infectious diseases, on various continents. The invasion time span plays an important role in their expansion and the Asian tiger mosquito has not yet arrived in all regions where it would find a suitable environment.
More Canadian cities will experience damage from the emerald ash borer than previously thought. As a result of climate change and fewer days of extreme cold, the beetle may eat its way further north than originally estimated.
In a review paper last year in Renewable and Sustainable Energy Reviews, Benjamin Heard and colleagues presented their case against 100 percent renewable electricity systems. They doubted the feasibility of many of the recent scenarios for high shares of renewable energy. Now scientists have hit back with their response to the points raised by Heard and colleagues. They demonstrate that there are no roadblocks on the way to a 100 percent renewable future.