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Mt Hope installed as 'UK's highest peak'
If you're flying planes you really need to know where the mountains are and how high they are, explained Dr Peter Fretwell. There have been plane crashes on the continent and we believe some of them may have been due to poor mapping. Some of its mountains have now been moved up to 5km to position them more accurately on future maps. These pictures, taken from orbit by the American WorldView-2 spacecraft, allowed for a stereo view of the summits of both Hope and Jackson.
Potatoes for peace: how the humble tuber stopped conflict in Europe
The introduction of potatoes and the resultant increase in productivity dramatically reduced conflict both within and between states for some two centuries, it says. The researchers, who examined 2,477 battles fought in 899 wars over a 500-year period, drew two key conclusions. The first is linked to the declining value of land on which potatoes are grown. According to the study, the value of the land on which potatoes were grown fell with advances in productivity.
Bitcoin futures launch sparks excitement, warnings
The Cboe Futures Exchange in Chicago will open trading in bitcoin futures at 2300 GMT on Sunday, a move that is expected to be followed a week later by a rival listing on Chicago Mercantile Exchange. Bitcoin bonanza takes hold of world markets, proclaimed the front page of the Times of London on Friday, reporting on the latest record price of the digital currency. Among those cheering the launch are the Winklevoss twins, who have been called the first bitcoin billionaires.
With new internet rules set for vote, firestorm won't die
US regulators are gearing up for a vote on a plan which-depending on your viewpoint-would restore internet freedom or, alternatively, result in the death of the internet as we know it. Pai, named chairman by President Donald Trump, said the 2015 rules depress investment and innovation. Critics of the existing rules say they rely on 1930s-era rules for telephone companies, which could in theory lead to price regulation and other burdens.
Tech titans ramp up tools to win over children
From smartphone messaging tailored for tikes to computers for classrooms, technology titans are weaving their way into childhoods to form lifelong bonds, raising hackles of advocacy groups. California-based Facebook said Messenger Kids complies with regulations protecting children online, and offers more safeguards for youngsters. The pressure on parents to let their children be on these services is so strong. Advocacy groups are also keen for assurance that companies behind technology, even if only internet-linked toys, will vigilantly guard children and their information.
India faces painful move to cleaner energy
The meeting will focus on marshalling public and private funds to speed the move to a low-carbon economy. If more money is available, of course the (Indian) government is in a position to push renewable energy faster, energy analyst Narendra Taneja told AFP. As one of the fastest growing major economies, India needs uninterrupted power to keep factories humming and the economy expanding.
Officials: Whales, after deadly year, could become extinct
Officials with the federal government say it's time to consider the possibility that endangered right whales could become extinct unless new steps are taken to protect them. North Atlantic right whales are among the rarest marine mammals in the world, and they have endured a deadly year. Bullard and other NOAA officials made the comments during a Tuesday meeting of the regulatory New England Fishery Management Council.
German intelligence warns of increased Chinese cyberspying
This is a broad-based attempt to infiltrate in particular parliaments, ministries and government agencies, Maassen said. The BfV established a task force early this year which examined the use of fake profiles on social networks over a nine-month period. The agency provided journalists with what it said where eight of the most prolific fake profiles on LinkedIn used by Chinese spies. Maassen warned that Chinese cybergroups are also using so-called supply-chain attacks to get around companies' online defenses.
Birth Control and Breast Cancer: Look Beyond the Headlines
I bring all of this up because this past week there were big headlines about a new study that linked contraceptive pills and other hormonal birth control to an increased risk of breast cancer. Another way to say that is for every 7,690 women who use hormonal contraception for one year, one extra might get breast cancer. Besides breast cancer, there's evidence that hormonal birth control is associated with higher risks of liver cancer.
The Rich and Royal History of Purple, the Color of 2018
Historically, purple has been highly valued, driven by its burdensome production and its association with wealth, power and royalty. Purple has also been worn for mourning in some cultures; fans of Prince, no doubt, celebrate that he used the color as an exclamation point. An internet search will show the movement's fondness for the color, which has often been connected with meditation and spirituality. The Pantone Color Institute has been choosing a color of the year since 2000.
How British plant-hunters served science
Farrer was among the early British plant-hunters who risked death to explore the botanically rich interior of China in the name of science. They all had this love of travel, this love of exploration, an absolute love of plants as well. Forrest collected over 31,000 specimens from China, discovered more than 1,200 plant species new to science and had more than 30 taxa named after him. Some of the first plant-hunters in the field were commissioned by the RHS, and this work continues today.
DNA Tattoos Are the Final Frontier of Love
That practice has long been left to underground artists, a subculture unto itself with a dark, self-aware nickname: morbid ink. Biohackers are often looked down on by scientists for their more relaxed, or more adventurous, approach to ethical questions in medicine. CGLabs, a Canadian outfit, is pioneering its own method, primarily marketed as DNA preservation. Thanks to its little envelope, instead of the DNA disappearing into the body, it is captured permanently in the ink of the tattoo.
As winds relent, scorched California hopes for fire relief
The strongest winds are expected in the San Diego County mountains and foothills, with gusts over 60 mph, the NWS predicted. Winds were expected to calm somewhat but a red alert was extended into Sunday due to expected low humidity. US President Donald Trump has issued a state of emergency in California, authorizing the release of federal funds. More than 40 people died in October when fires swept through the state's wine-producing counties north of San Francisco.
Egypt archaeologists discover mummy in Luxor
Egyptian archaeologists have discovered a mummy in one of two previously unexplored tombs across the Nile from the southern city of Luxor, the antiquities ministry said Saturday. Antiquities Minister Khaled al-Enany was in Luxor to announce the discovery in Draa Abul Nagaa necropolis near the famed Valley of the Kings, where many pharaohs, including Tutankhamun, were buried.
How to Save Money on Your Prescription Drugs
If you're willing to do a little extra work, it is possible to lower your prescription bills. A reporter for The New York Times and a reporter for ProPublica both found instances this year in which drugs prescribed for family members could be purchased for less money without using their insurance coverage. Most of the big pharmacy benefit managers allow you to search for drugs on their websites to see what you'll owe.
CU Boulder solar instruments, experiments headed for space
The contract value to LASP is $90 million and includes the instrument suite and an associated mission ground system on the CU Boulder campus. CU Boulder Professor Peter Pilewskie of LASP, lead mission scientist on the project, said TSIS will continue a 40-year record of measuring total solar radiation by CU Boulder, the longest continuous climate record from space. While scientists believe changes in solar output cannot explain Earth's recent warming, a longer dataset could reveal greater swings in solar radiation.
Report offers framework to guide decisions about Spirit Lake and Toutle River at Mount St. Helens
Recent insights about the likelihood of a Cascadia Seismic Zone earthquake affecting the Mount St Helens vicinity warrant greater examination, the report notes. The 1980 eruption of Mount St Helens radically changed the landscape surrounding the volcano in southwest Washington State. The eruption sent an avalanche of debris into the North Fork of the Toutle River and blocked the drainage of Spirit Lake, causing a dangerous rise of lake waters.
North Carolina county leaders say second cyberattack failed
A North Carolina county recovering from a cyberattack says hackers failed in a second attempt to infiltrate their computer system. Mecklenburg County officials say foreign hackers redoubled their efforts after the county refused to pay a ransom Wednesday. Earlier in the week, the first wave of ransomware hit county computers when an employee opened a fraudulent email. Dozens of county servers were frozen by the hackers, requiring technology workers to embark on days of repairs.
'Godfather of Coral' still diving at 72
Over the last 50 years, Charlie Veron has discovered more than 20% of the world's coral species. He was also one of the early scientists to document coral bleaching. We follow him underwater on the Great Barrier Reef as he remembers the spectacular world he saw. Hear more Ocean Stories on BBC World Service.

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