New research findings consistent with theory of impact event 12,900 years ago
(Phys.org)—New research findings published in the Proceedings of the National Academy of Sciences (PNAS) are consistent with a controversial theory that an extraterrestrial body – such as a comet – i ...
Survey: Scientists agree human-induced global warming is real
While the harsh winter pounding many areas of North America and Europe seemingly contradicts the fact that global warming continues unabated, a new survey finds consensus among scientists about the reality of climate change ...
Prehistoric humans not wiped out by comet, say researchers
(Phys.org)—Comet explosions did not end the prehistoric human culture, known as Clovis, in North America 13,000 years ago, according to research published in the journal Geophysical Monograph Series.
Antarctic waters changing due to climate: study
The densest waters of Antarctica have reduced dramatically over recent decades, in part due to man-made impacts on the climate, Australian scientists said Friday.
Man and the last great wilderness: Human impact on the deep sea
The oceans cover 71% of our planet, with over half with a depth greater than 3000 m. Although our knowledge is still very limited, we know that the deep ocean contains a diversity of habitats and ecosystems, ...
Hearing the Russian meteor, in America: Sound arrived in 10 hours, lasted 10 more
(Phys.org) —How powerful was February's meteor that crashed into Russia? Strong enough that its explosive entry into our atmosphere was detected almost 6,000 miles away in Lilburn, Ga., by infrasound sensors – a full ...
Human impacts of rising oceans will extend well beyond coasts
Identifying the human impact of rising sea levels is far more complex than just looking at coastal cities on a map.
Risk to consumers from fungal toxins in shellfish should be monitored
To protect consumers, screening shellfish for fungal toxins is important, say scientists.
Devastating human impact on the Amazon rainforest revealed
The human impact on the Amazon rainforest has been grossly underestimated according to an international team of researchers from Brazil and the UK, led by Lancaster University.
Spiders suffer from human impact
Researchers from the King Juan Carlos University (URJC) have carried out a research study published in Biological Conservation, which looked at whether spiders were more tolerant of human impact than other ...
UN votes to protect privacy in digital age (Update)
The U.N. General Assembly unanimously adopted a resolution aimed at protecting the right to privacy against unlawful surveillance in the digital age on Wednesday in the most vocal global criticism of U.S. eavesdropping.
Biofuels may damage health, researchers find
Concern is growing about finding alternatives to fossil fuels, but the negative impact of one of these—biofuels—may be greater than we first thought, say scientists.
Review finds environmental impact and toxicity of biocides used in fracking still largely unknown
A Colorado State University-led research team has completed the most comprehensive review to date of the environmental fate and toxicity of the biocides most commonly used in hydraulic fracturing fluids.
Two-thirds drop in large fish numbers in 100 years
Overfishing has significantly reduced the populations of larger species of marine fish. In fact, stocks of large fish have declined by two-thirds in one century. These findings come from an international ...