Aging (Albany NY). 2017 Feb 14;9:419–446. doi: 10.18632/aging.101168.
Quach A, Levine ME, Tanaka T, Lu AT, Chen BH, Ferrucci L, Ritz B3 Bandinelli S, Neuhouser ML, Beasley JM, Snetselaar L, Wallace RB, Tsao PS9,10, Absher D11, Assimes TL, Stewart JD12, Li Y13,14, Hou L15,16, Baccarelli AA17, Whitsel EA12,18, Horvath S1,19.
It is rush hour and you are crammed inside a train carriage with a stranger’s armpit pressing against your face. Are you feeling relaxed?
Studies have shown that repeated infringement of personal space in cities can trigger the brain’s threat system, which makes us feel stressed.
Other factors such as constant contact with strangers and traffic noise all contribute to city dwellers being most likely to suffer from chronic stress.
Posted in physics
A lot can happen in a second; you could meet a stranger, snap your fingers, fall in love, fall asleep, sneeze. But what is a second, really — and is it as precise as we think it is?
Right now, the most-precise clocks used to tell global time have an error of about 1 second every 300 million years — so a clock that started ticking in the time of the dinosaurs wouldn’t be off by even a second today. But scientists think we can do better. [The 18 Biggest Unsolved Mysteries in Physics]
So, they are looking to lutetium, a neglected rare-earth element that has been gathering dust at the bottom of the periodic table, according to a new study published April 25 in the journal Nature Communications.
The possibility of time travel through the geodesics of vacuum solutions in first order gravity is explored. We present explicit examples of such geometries, which contain degenerate as well as nondegenerate tetrad fields that are sewn together continuously over different regions of the spacetime.
These classical solutions to the field equations satisfy the energy conditions.
On May 7th, Tactical Robotics (a subsidiary of Urban Aeronautics Ltd), based in Yavne. Israel, successfully performed a first “mission representative” demonstration for its lead customer, the Israel Defence Forces. This milestone was announced for the first time today at the Israel Combat Rescue and Emergency Medicine conference where the company also presented Cormorant’s capability to be the first UAS system fielded for unmanned casualty evacuation missions.
Professor George Church of Harvard Medical School has co-founded a new startup company, Rejuvenate Bio, which has plans to reverse aging in dogs as a way to market anti-aging therapies for our furry friends before bringing them to us.
Dogs first, humans next
The company has already carried some initial tests on beagles and plans to reverse aging by using gene therapy to add new instructions to their DNA. If it works, the goal is ultimately to try the same approach in people, and George Church may be one the first human volunteers.
Esearchers have devised a new way to get a sneak peek into what’s going on deep in your digestive system, creating a swallowable sensor that, with the help of engineered bacteria and a tiny electrical circuit, can detect the presence of molecules that might be signs of disease and then beam the results to a smartphone app.
The device, which scientists validated in pigs, remains a prototype and needs to be refined before it could be used in people. But the researchers, who reported their work Thursday in the journal Science, combined innovations in synthetic biology and microelectronics to create a modular platform that could be adapted to identify a wide range of molecules.
