Earth

Scientists have found fossil evidence of deep-sea marine life burrowing up to eight metres below the seabed -- four times the previously observed depth for modern deep-sea life.

A team of scientists from the University of Leeds and the National Oceanography Centre examined remains of deep-sea burrows in rocky outcrops that were part of the ocean floor roughly 250 million years ago.

These outcrops are made up of sand-sheets that are widespread on modern ocean floors, suggesting that deep-sea burrowing marine life may be much more abundant than previously considered.

NASA-NOAA's Suomi NPP satellite passed over the Southern Indian Ocean and captured a visible image of Tropical Cyclone Ava as it continued to move away from southeastern Madagascar and weaken.

On Jan. 9, 2018 the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA's Suomi NPP satellite captured a visible image of Ava. The image showed most of the clouds and thunderstorms east of the center of circulation. The Joint Typhoon Warning Center (JTWC) noted that all other strong thunderstorms have dissipated from the system.

The endurance of emperor penguins, trudging through the perpetual Antarctic night to their breeding colonies, is legendary. Many trek more than 100 km from their ocean feeding grounds to rookeries at inland locations in preparation for mating; and the male partners often face a lengthy fast of more than 100 days while mating and incubating their eggs before embarking on the lengthy return journey. However, Gerald Kooyman from the University of California San Diego explains that not all emperor penguin colonies are as icebound.

From cars and bicycles to airplanes and space shuttles, manufacturers around the world are trying to make these vehicles lighter, which helps lower fuel use and lessen the environmental footprint.

EDMONTON (Jan. 9, 2018)--It's simple math, says scientist Clayton Lamb. The closer grizzly bears are to humans, the more ways there are for the bears to die. Put more simply, more roads equal fewer grizzly bears.

In a recent study examining a long-term DNA dataset of grizzly bear activity in British Columbia, Lamb and his colleagues conclusively determined what scientists have long suspected: higher road density leads to lower grizzly bear density, a critical problem for a species still rebounding from a long period of human persecution.

Location. Location. Location.

When buying and selling real estate, the phrase is a realtor's mantra.

It is also the central theme of a recently released journal report on factors that can predict heart failure risk.

According to new research in the American Heart Association journal, Circulation: Cardiovascular Quality and Outcomes, almost 5 percent of heart failure risk was connected to neighborhood factors.

Since the 1960s, tens of thousands of birds living on the Great Lakes have died during periodic outbreaks of botulism. The outbreaks have only become more common and widespread in recent years, leaving scientists who track the birds puzzled.

There are more than 8 million species of living things on Earth, but none of them -- from 100-foot blue whales to microscopic bacteria -- has an advantage over the others in the universal struggle for existence.

In murder investigations, DNA evidence often helps to link a perpetrator to a crime scene and put him or her behind bars. Now, researchers reporting in Current Biology on January 8 show that DNA evidence is also successfully being used to link rhinoceros horns seized from poachers and traffickers in various countries directly to the specific crime scenes where rhinoceros carcasses were left behind.

In August 2017, the Bolivian government passed a contentious law that paved the way for construction of a new 190-mile road cutting through one of the country's most iconic and biodiverse protected rainforests. But a report in Current Biology on January 8 shows that the Isiboro-Sécure National Park and Indigenous Territory (or TIPNIS, as the area is commonly known) has been subject to alarming levels of deforestation within its borders for many years, a reality that is too often overlooked.