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leap second

Space Timekeeping: NASA’s SDO adds leap second to master clock

On Dec. 31, 2016, official clocks around the world will add a leap second just before midnight Coordinated Universal Time — which corresponds to...
Flood threats changing across US

Flood threats changing across US

The risk of flooding in the United States is changing regionally, and the reasons could be shifting rainfall patterns and the amount of water...
Textbook story of how humans populated America is 'biologically unviable'

Textbook story of how humans populated America is ‘biologically unviable’

The established theory about the route by which Ice Age peoples first reached the present-day United States has been challenged by an unprecedented study...
When lava erupted in the Midwest

When lava erupted in the Midwest

A billion years ago, the core of what was to become North America nearly ripped apart, creating a huge branched scar that extends from...
Hard whale heads sink ships: Moby Dick whale tale maybe not so fictional

Hard whale heads sink ships: Moby Dick whale tale maybe not so fictional

The idea that a sperm whale can use its massive head as a battering ram to sink ships has been hotly debated at least...
how gypsum forms

Scientists discover how gypsum forms – and how it might tell us more about...

A new explanation of how gypsum forms may change the way we process this important building material, as well as allow us to interpret...
Lifting the veil on Queen of Sheba's perfume

Lifting the veil on Queen of Sheba’s perfume

It is one of the oldest fragrances in the world. Nicolas Baldovini's team at the Institut de chimie de Nice (CNRS/UNS) has just discovered the...
An ancient Egyptian nautical theme in the desert was discovered by archaeologists

An ancient Egyptian nautical theme in the desert was discovered by archaeologists

Penn Museum archaeologists excavating at the desert site of Abydos, Egypt have discovered the remains of a subterranean pharaonic boat burial dating to the...
Longest-living animal gives up ocean secrets

Longest-living animal gives up ocean secrets

Analysis of the quahog clam reveals how the oceans affected the climate over the past 1000 years. A study of the longest-living animal on Earth,...
Stonehenge

Archaeological team made new discoveries that rewrite Stonehenge landscape

Archaeologists working near the Stonehenge World Heritage Site have discovered important new sites that rewrite the Stonehenge landscape. Some sites predate the construction of Stonehenge...

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Scientists confirm the main cause of dementia

In a recent study, researchers confirmed they discovered the main cause of dementia. The researchers suggest that the build-up of urea in the brain to...

Three common drugs linked to high dementia risk

In a recent study from the University of East Anglia, researchers find that long-term use of anticholinergic antidepressants is linked to a higher risk...

For older people, weight training is more important than cardio exercise

In a recent study from Wake Forest University, researchers found that weight training is more effective than cardio for older people. It is known that...
Three common drugs linked to high dementia risk

Three common drugs linked to high dementia risk

In a recent study, researchers found long-term use of two antidepressants is linked to a higher risk of dementia. In addition, drugs prescribed for bladder...
Hubble discovers a unique type of object in the solar system

Scientists discover a unique type of object in our solar system

In a recent study, researchers discovered an unusual type of object in the asteroid belt between Mars and Jupiter. They found two asteroids are orbiting...