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Sunday, January 10, 2016

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Beyond Step Counts: 4 New Ways to Track Health

Wearables that count steps and track heartbeats are a dime a dozen these days, but now some new health gadgets are aiming to look inside the body in new ways, to track everything from hydration to hemoglobin levels. The device works by sending different wavelengths of light into the body, and then measuring how much of that light is absorbed, Rymut told Live Science. Another product on display here at CES, called Ember, from the California-based company Cercacor, is a noninvasive hemoglobin tracker for athletes.

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Saturday, January 9, 2016

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SpaceX to retry ocean rocket landing after success on land

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - Technology entrepreneur Elon Musk's SpaceX will attempt to land its next Falcon 9 rocket on a barge in the Pacific Ocean, seeking another milestone a month after landing a booster on the ground in a spaceflight first, the company said on Friday. The Falcon 9 rocket, carrying a NASA ocean-monitoring satellite, is slated to blast off from Vandenberg Air Force Base in California on Jan. 17. About two minutes after liftoff, the first stage of the rocket will separate, flip around, fire engines to slow its fall, deploy landing legs and attempt to touch down on a floating landing pad in the Pacific Ocean.

Paper airplanes go high-tech at CES

By Ben Gruber The humble paper airplane has just been given a digital upgrade. Israeli firm PowerUp Toys showed off a paper plane equipped with some of the latest drone technology at this week's Consumer Electronics Show (CES) in Las Vegas. "We are actually introducing first person view flight (FPV) to paper airplanes. So you experience flight as if you were a pilot but on a paper airplane that you folded, which is kind of crazy," said PowerUp Toys CEO, Shai Goetein. It's certainly crazy, but Goetein thinks consumers will find it fascinating. ...

Big-Eared Statues Reveal Ancient Egyptian Power Couple

Six ancient statues of Egyptians, some with round faces and big ears, have been found near the Nile River in Upper Egypt. The statues, which were once sloughed off their original bluff in an earthquake and buried in Nile silt, are of a man named Neferkhewe and his family. Neferkhewe bore the titles of chief of the Medjay (northern Sudan) and overseer of the foreign lands some 3,500 years ago, during the reign of Pharaoh Thutmose III. The statues, and the carved alcove in which they reside, had been open to the elements for at least 1,500 years before being buried, but the carvings are in incredible condition, said John Ward, the assistant director of the Gebel el Silsila Survey Project that uncovered the statues.

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Friday, January 8, 2016

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Dinosaur Tracks Reveal Odd Mating Dance

An analysis of the newfound marks suggests they are the first known evidence of a type of mating display behavior known as "scraping," common in modern ground-nesting birds. Paleontologists found scores of these "scrapes," areas in the rock that were shallowly scarred by multiple scratch marks. Martin Lockley, co-author of the study and emeritus professor of geology at the University of Colorado, Denver, told Live Science that these scrape marks were unlike anything the scientists had seen before.

Ötzi the Iceman May Have Suffered Stomach Bug

The famous Ötzi, a man murdered about 5,300 years ago in the Italian Alps, had what's now considered the world's oldest known case of Helicobacter pylori, a bacterium that can cause ulcers and gastric cancer, a new study finds. It's unclear whether the ancient iceman did, in fact, have ulcers or gastric cancer because his stomach tissue didn't survive. Today, about half of the world's human population has H. pylori in their gut, but only one in 10 people develop a condition from the bacteria, the researchers said.

Human imprint has thrust Earth into new geological epoch : study

By Alister Doyle OSLO (Reuters) - The indelible imprint left by human beings on Earth has become so clear that it justifies naming a new geological epoch after mankind, experts said on Thursday. The dawn of the "Anthropocene" would signal the end of the Holocene epoch, considered to have begun 11,700 years ago at the end of the Ice Age. "Human activity is leaving a pervasive and persistent signature on Earth," said a report in the journal Science by an international team led by Colin Waters of the British Geological Survey.

World's first passenger drone unveiled at CES

By Ben Gruber LAS VEGAS, NEVADA, UNITED STATES (REUTERS) - There are hundreds of drones competing for attention in Las Vegas at 2016 Consumer Electronics Show. This is the Ehang 184, the world's first passenger drone. The UAV is completely autonomous, relying on sensors and computers to navigate from take off to landing.

Ancient Citadel Finds New Home in Apartment Building

A 3,400-year-old citadel near Israel's Mediterranean coast will soon be part of a modern, high-rise apartment building, according to the Israel Antiquities Authority (IAA). Architects are designing a building that will enclose the citadel, which will reside in the basement, said the IAA, which plans to formally announce the project tomorrow (Jan. 7) at a joint archaeological conference of the Northern Region of the IAA and the University of Haifa in Israel. Archaeologists uncovered the citadel during a recent excavation in the coastal city of Nahariya in northern Israel.

Strange New State of Hydrogen Created

By crushing Earth's lightest element with mind-boggling pressures, scientists have revealed an entirely new state of matter: phase V hydrogen. The squished hydrogen is a precursor to a state of matter first proposed in the 1930s, called atomic solid metallic hydrogen. And so, in crushing hydrogen at such high pressures, the physicists also got a glimpse of the inner atmosphere of a gas giant, where pressures reach millions of (Earth) atmospheres.

European scientists make last-ditch attempt to contact comet lander

By Victoria Bryan BERLIN (Reuters) - European scientists will send a command into space on Sunday to try to move and restore contact with the comet lander Philae that has fallen silent since the summer. After coming to rest in the shadows when it landed on a comet in November, Philae woke up in June as the comet approached the sun, giving scientists hope that the lander could complete some experiments that it had not done before its solar-powered batteries ran out.

The Big Picture: What the New Diet Guidelines Mean for You

Samantha Heller, a senior clinical nutritionist at New York University Langone Medical Center, thinks this approach is a good start. A healthy eating pattern is "an easier concept for people to understand," than, for example, delineating serving sizes, calorie counts and daily totals, Heller told Live Science. Elisabetta Politi, the nutrition director at the Duke Diet & Fitness Center in North Carolina, agreed.

More Young People Report Same-Sex Attractions

In particular, more men now say they are "mostly attracted to the opposite sex," rather than "only" attracted to the opposite sex compared to previous years, according to the survey from researchers at the Centers for Disease Control and Prevention. The new trend may result from greater societal acceptance of same-sex relationships, said Ritch Savin-Williams, a professor of developmental psychology at Cornell University who researches sexual orientation and behavior. This change, however, probably doesn't mean that more men now than in the past are feeling same-sex vibes, said Savin-Williams, who was not involved in the survey.

Why Crows Hold Funerals

The scientists cited an earlier study showing that American crows gather and act aggressively, behavior known as "mobbing," in response to audio playback of a crow's distress call, played near a dead crow. The researchers wanted to know if they would also learn to associate dead crows — and threats to themselves — with specific predators.

3 High-Tech Ways to Track What You Eat

One gadget, called DietSensor, claims to be able to scan your food with a beam of light and tell you its nutritional content, such as how much protein, fat and carbohydrates it contains. It does this by analyzing how the molecules in the food interact with the light, according to the company, which presented the device here at CES. This causes the molecules in the food to vibrate, and produce an optical signature that is unique for that food, the company says.

Got Allergies? Blame Neanderthals

Genetic variants found in modern humans that originally came from Neanderthals may predispose the human immune system to overreact to environmental allergens, according to two new studies published today (Jan. 7) in the American Journal of Human Genetics. The studies also found that interbreeding with Neanderthals may have helped ancient humans, who came from Africa, get a head start in settling Europe. "Neanderthals, for example, had lived in Europe and western Asia for around 200,000 years before the arrival of modern humans.

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Thursday, January 7, 2016

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Da Vinci's Iconic Bridge Recreated in Ice

One of Leonardo da Vinci's most stunning engineering plans is getting a decidedly chilly welcome to the modern world. Students in the frigid hinterlands of Finland plan to recreate one of the Renaissance man's many iconic sketches: a massive stone bridge spanning the Bosphorus River. Leonardo da Vinci, who lived between 1452 and 1519, is perhaps most famous for painting the "Mona Lisa." But the polymath also made impressive contributions to the fields of astronomy, engineering and anatomy.

Baby Sharks: Sand Tiger Nursery Spotted Off New York Coast

Shark tots just a few months old are making their way up the Atlantic coast to a nursery off New York, scientists have found. The sand tiger shark nursery, located near the shore of Long Island's Great South Bay, supports the juvenile animals, which range from just months old to 4 or 5 years old and measure 9 inches to 4 feet (23 centimeters to 1.2 meters) long, according to the Wildlife Conservation Society's New York Aquarium. "It's quite interesting, because this is sort of a resident population," said Jon Dohlin, vice president and director of the aquarium.

Jurassic 10-Armed 'Squid' Were Speedy Swimmers

The fossils represent Acanthoteuthis, a genus of squid relatives that lived during the Jurassic period and measured between 9.8 and 15.7 inches (25 and 40 centimeters) long. Acanthoteuthis is a cephalopod, part of the ocean-dwelling group that includes modern octopus, squid and cuttlefish, with an evolutionary history spanning 500 million years. Acanthoteuthis belongs to a group of cephalopods called belemnites, which are particularly abundant in the fossil record — or at least a small part of them is.

Africa takes fresh look at GMO crops as drought blights continent

By MacDonald Dzirutwe HARARE (Reuters) - A scorching drought in Southern Africa that led to widespread crop failure could nudge African nations to finally embrace genetically modified (GM) crops to improve harvests and reduce grain imports. The drought, which extends to South Africa, the continent's biggest maize producer, has been exacerbated by an El Nino weather pattern and follows dry spells last year that affected countries from Zimbabwe to Malawi. Aid agency Oxfam has said 10 million people, mostly in Africa, face hunger because of droughts and poor rains.

Ebola Fight: Survivors' Blood Doesn't Help, But Malaria Drug Might

Since the latest Ebola outbreak began, researchers have renewed their search for an effective way to fight the deadly virus. Now, a new study finds that giving Ebola patients a drug that is currently used to treat malaria may lower their risk of dying from the virus by almost one-third. Meanwhile, a separate study finds that treating Ebola patients with blood plasma taken from Ebola survivors does not lower their risk of death.

Missing Zzzs: Sleep Problems Common for Single Parents, Women

Single parents get less sleep and have more sleep-related problems than adults in households with two parents and adults living without children, a new report from the Centers for Disease Control and Prevention suggests. "These results are not surprising," said Dr. Stuart Quan, a sleep medicine specialist and researcher at Brigham and Women's Hospital in Boston, who was not involved in the research for this report.

Not Your Grandma's Thermometer: 3 New Ways to Take Your Temperature

The simple task of taking your temperature is getting a new high-tech twist: Three companies recently announced "smart thermometers" that offer alternative ways to check this vital sign and send the data to a mobile device. It provides a temperature reading that corrects for ambient temperature and skin heat loss, according to Withings, the company that makes the gadget. Thermo transmits the temperature data by Wi-Fi or Bluetooth to an app on a user's smartphone.

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