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First detection of sugars in meteorites gives clues to origin of life

Google Science Feeds - 7 hours 31 min ago
This is a mosaic image of asteroid Bennu, from NASA's OSIRIS-REx spacecraft. The discovery of sugars in meteorites supports the hypothesis that chemical reactions in asteroids – the parent bodies of many meteorites – can make some of life's ingredients.

Old age: Why 70 may be the new 65

Health News BBC - 7 hours 31 min ago
Experts say health and life expectancy gains mean it is time to rethink how we measure and define being elderly.

Long spaceflights found to lead to blood flowing in the wrong direction in some cases

Google Science Feeds - 7 hours 32 min ago
An international team of researchers has found that people in space for long durations can experience blood flowing in the wrong direction in the jugular vein. In their paper published on JAMA Network Open, the group describes their study of blood flow in ...

Atoms don't like jumping rope

Google Science Feeds - 7 hours 35 min ago
By controlling individual atoms, quantum properties can be investigated and made usable for technological applications. For about ten years, physicists have been working on a technology that can capture and control atoms: so-called nanooptical traps.

Freshwater lakes already emit a quarter of global carbon—and climate change could double that

Google Science Feeds - 7 hours 52 min ago
Lakes and ponds are the final resting place for many of the Earth's plants. Rivers collect much of the planet's dead organic matter, transporting it to rest in calmer waters. But on a microscopic scale, lakes are anything but calm. An invisible metropolis of ...

Thursday meteor shower could produce 400 shooting stars an hour

Google Science Feeds - 7 hours 55 min ago
BALTIMORE — A meteor shower is set to occur Thursday night into early Friday morning, with over 400 meteors per hour — but it's unclear if the shower will be a quick burst of shooting stars for the ages or a bust with just a few meager meteors gliding through ...

NASA scientists confirm water vapor on Europa

Google Science Feeds - 7 hours 59 min ago
Forty years ago, a Voyager spacecraft snapped the first closeup images of Europa, one of Jupiter's 79 moons. These revealed brownish cracks slicing the moon's icy surface, which give Europa the look of a veiny eyeball. Missions to the outer solar system in ...

Nitrogen fertilizers are incredibly efficient, but they make climate change a lot worse

Google Science Feeds - 8 hours 13 min ago
Sustainable farming can reduce nitrous oxide emissions. Credit: eutrophication & hypoxia/Flickr, CC BY-SA. Nitrous oxide (N2O) (more commonly known as laughing gas) is a powerful contributor to global warming. It is 265 times more effective at trapping ...

What will make grandma use her Fitbit longer?

Google Science Feeds - 8 hours 31 min ago
Date: November 18, 2019; Source: Michigan State University; Summary: For older adults, Fitbits and other activity trackers may be popular gifts, but they may not be used for very long. While counterintuitive, engaging in competition with family and friends ...

Supernova 1987A: 'Blob' hides long-sought remnant from star blast

Google Science Feeds - 8 hours 32 min ago
Scientists believe they've finally tracked down the dead remnant from Supernova 1987A - one of their favourite star explosions. Astronomers knew the object must exist but had always struggled to identify its location because of a shroud of obscuring dust.

How the road network determines traffic capacity

Google Science Feeds - 8 hours 34 min ago
Rosengartenstrasse, Zurich. It is now possible to use a city's infrastructure to estimate the number of cars it can handle before congestion starts to build up. Credit: Keystone/Ennio Leanza. ETH researchers have shown that we can use the structure of urban ...

NASA maps Saturn's moon Titan, which may support extraterrestrial life

Google Science Feeds - 8 hours 38 min ago
NASA recently unveiled a new mission to fly to Saturn's moon, Titan, which could potentially host extraterrestrial life. But before it gets there, the space agency has mapped out the celestial satellite for the first time, further showcasing its similarities to Earth.

T-box and tRNA complex structure revealed by study

Google Science Feeds - 8 hours 42 min ago
A team of researchers has uncovered the structure of a T-box regulatory mechanism in bacteria, which could aid in the development of novel antibiotics. The structure of a regulatory mechanism unique to bacteria has been revealed by researchers. According ...

Aquatic rover goes for a drive under the ice

Google Science Feeds - 8 hours 47 min ago
A little robotic explorer will be rolling into Antarctica this month to perform a gymnastic feat—driving upside down under sea ice. BRUIE, or the Buoyant Rover for Under-Ice Exploration, is being developed for underwater exploration in extraterrestrial, icy waters ...

The 'Dance of Avoidance': How Neptune's Moons Avoid Collision [VIDEO]

Google Science Feeds - 8 hours 50 min ago
Neptune currently has a total of 14 moons that we are aware of, and seven of these are close to each other and are known as the inner moons. Examples of these are the moons Naiad and Thalassa, which are incredibly close to each other, with only 1,150 ...

India is back on track with Chandrayaan 3, the country has planned to send a rover to the moon by 2020

Google Science Feeds - 8 hours 55 min ago
India is back again with another mission named 'Chandrayaan 3'. Despite the failed attempt, the country has not yet given it aims to touch down on the moon's surface. A few months back, the ISRO has failed in its previous mission with Chandrayaan 2.

Researchers bring gaming to autonomous vehicles

Google Science Feeds - 9 hours 21 min ago
Date: November 18, 2019; Source: University of Waterloo; Summary: Researchers have designed multiplayer games occupants of autonomous vehicles can play with other players in nearby self-driving cars. A new study details three games created for level ...

Exoplanet axis study boosts hopes of complex life, just not next door

Google Science Feeds - 9 hours 33 min ago
The Alpha Centauri group is the closest star - or solar - system outside of our own at a distance of 4.3 lightyears, and it can be found in the night sky in the constellation Centaurus. The stars Alpha Centauri A and Alpha Centauri B comprise a binary system, ...

NASA's Moon Push and International Opportunities Take Center Stage at SpaceCom 2019

Google Science Feeds - 9 hours 59 min ago
SpaceCom's conference in Houston on Nov. 20 and 21 includes a new focus on commercial opportunities associated with NASA's planned lunar landings in 2024. This year's conference is expected to attract about 2,500 attendees, heavily representing the ...

Earth's magnetic song recorded for the first time during a solar storm

Google Science Feeds - 10 hours 14 min ago
Data from ESA's Cluster mission has provided a recording of the eerie "song" that Earth sings when it is hit by a solar storm. The song comes from waves that are generated in the Earth's magnetic field by the collision of the storm. The storm itself is the eruption ...

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