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Environmental

A collection of 1043 articles

Northern lights' 'social networking' reveals true scale of magnetic storms

The researchers, led by Professor Sandra Chapman from the University's Department of Physics, have for the first time characterised the observations from over 100 ground based magnetometers in terms of a time-varying directed network of connections. They monitored the development of geomagnetic substorms using the same mathematics used to study

Fresh look at mysterious Nasca lines in Peru: Using a taxonomic approach, scientists have re-identified the huge birds drawn on the desert plains of Peru as hermits or pelicans

The lines and geoglyphs of Nasca and Palpa are located some 400 kilometers south of Lima, Peru and form a World Heritage Site covering an area of about 450 square kilometers..

Plate tectonics may have driven 'Cambrian Explosion'

A team of scientists have given a fresh insight into what may have driven the "Cambrian Explosion" -- a period of rapid expansion of different forms of animal life that occurred over 500 million years ago. While a number of theories have been put forward to explain this landmark period,

New research shows an iceless Greenland may be in our future

"How Greenland will look in the future -- in a couple of hundred years or in 1,000 years -- whether there will be Greenland, or at least a Greenland similar to today, it's up to us"

Human migration in Oceania recreated through paper mulberry genetics: Humans carried the plant, used to make barkcloth, as they colonized new islands across Oceania

The colonization of the remote, long-uninhabited Pacific islands has fascinated early European explorers, current scientists and members of Pacific Island communities today.

Antarctic marine life recovery following the dinosaurs' extinction

A team led by British Antarctic Survey studied just under 3000 marine fossils collected from Antarctica to understand how life on the sea floor recovered after the Cretaceous-Paleogene (K-Pg) mass extinction 66 million years ago. They reveal it took one million years for the marine ecosystem to return to pre-extinction

Rare 'superflares' could one day threaten Earth

These events occur when stars, for reasons that scientists still don't understand, eject huge bursts of energy that can be seen from hundreds of light years away.

Bitcoin causing carbon dioxide emissions comparable to Las Vegas or Hamburg: Hardware and IP addresses analyzed to assess the carbon footprint of the cryptocurrency

Although Bitcoin is a virtual currency, the energy consumption associated with its use is very real.

Could climate change make Siberia more habitable?

A study team from the Krasnoyarsk Federal Research Center, Russia, and the National Institute of Aerospace, USA, used current and predicted climate scenarios to examine the climate comfort of Asian Russia and work out the potential for human settlement throughout the 21st century. They published their results today in Environmental

How multi-celled animals developed: Evolutionary discovery to rewrite textbooks

Using new technology to investigate how multi-celled animals developed, their findings revealed a surprising truth.Professor Bernie Degnan said the results contradicted years of tradition.

Earth's heavy metals result of supernova explosion, research reveals

In a finding that may overthrow our understanding of where Earth's heavy elements such as gold and platinum come from, new research by a University of Guelph physicist suggests that most of them were spewed from a largely overlooked kind of star explosion far away in space and time from

Origin of life: A prebiotic route to DNA

How were the building-blocks of life first formed on the early Earth? As yet, only partially satisfactory answers to this question are available.

Two hours a week is key dose of nature for health and wellbeing

Research led by the University of Exeter, published in Scientific Reports and funded by NIHR, found that people who spend at least 120 minutes in nature a week are significantly more likely to report good health and higher psychological wellbeing than those who don't visit nature at all during an

Global commodities trade and consumption place the world's primates at risk of extinction

The world's primate fauna, distributed in the Neotropics, Africa and in South and Southeast Asia, represents an important global component of the Earth ́s land-based biodiversity..

Africa's elephant poaching rates in decline, but iconic animal still under threat

However, the team say the continent's elephant population remains threatened without continuing action to tackle poverty, reduce corruption and decrease demand of ivory..