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Σάββατο 8 Αυγούστου 2015

Pancreatic cancer urine test hope

Pancreatic cancer urine test hope

  • 3 August 2015
  • From the section Health
Pancreatic cancer cells
A simple urine test that could detect pancreatic cancer much earlier than at present has been developed by scientists.
They found a protein "signature" only present in people with the disease.
Pancreatic cancer is often very advanced by the time it is diagnosed - and only 3% of patients are alive five years after diagnosis.
Cancer charities welcomed the study, published in Clinical Cancer Research, saying a test was "much needed".

Anti-thalidomide hero Frances Oldham Kelsey dies at 101

Anti-thalidomide hero Frances Oldham Kelsey dies at 101

 Dr Frances Oldham Kelsey in an undated photo
Dr Kelsey is seen as a hero by many across the US for raising concerns about the safety of thalidomide
Frances Oldham Kelsey, the Canadian doctor who played a central role in preventing the drug thalidomide being distributed in the US, has died at 101.
She refused to approve it while working for the US drug agency in the 1960s.

Brown Dwarf Variability and implications for Exoplanets - Tyler Robinson...

    



Brown Dwarf Variability and implications for Exoplanets - Tyler Robinson...



Δημοσιεύτηκε στις 12 Μαΐ 2015
Brown
dwarfs are sub-stellar objects that occupy the region of parameter
space between gas giant planets, like Jupiter, and the smallest bona
fide stars. Since brown dwarfs never achieve sustained core hydrogen
fusion, they are destined to cool over cosmic timescales from thousands
to hundreds of degrees Kelvin. Observations and models of these strange
worlds reveal hydrogen-dominated atmospheres with a variety of trace
molecular species, as well as metal, dust, and salt condensates.

Recent
surveys and targeted observations have revealed that a substantial
fraction of brown dwarfs have a brightness that varies in time, with
some variations as large as 30% at certain wavelengths. In this
presentation, Dr. Robinson will review the atmospheric physics of brown
dwarfs and the current state of variability observations, and he will
discuss the various processes that likely cause brown dwarf variability,
which include dynamical effects, temporally- and spatially-varying
clouds, and associated atmospheric temperature fluctuations.

Gamma Ray Bursts and Recent Results from the Fermi Mission - Peter Miche...

    

Gamma Ray Bursts and Recent Results from the Fermi Mission - Peter Miche...



Δημοσιεύτηκε στις 6 Αυγ 2015
Dr. Michelson is the Principal Investigator of the Large Area Telescope on the Fermi Observatory.

The
Large Area Telescope (LAT) on the Fermi Observatory scans the entire
sky once every three hours. It has revealed many types of high-energy
sources including gamma-ray bursts, many types of pulsars, active
galaxies, and binary systems.

In this talk Dr. Michelson will
give an overview of Fermi’s discoveries and offer speculation of what
might be found next, including possible sources of gravitational
radiation.
ANAΡΤΗΣΗ ΑΠΟ ΤΟ YOUTUBE 9/8/2015

Introduction to Quantum Computers (2014, 1080p)

   



Introduction to Quantum Computers (2014, 1080p)

Δημοσιεύτηκε στις 8 Νοε 2014

  • Κατηγορία


  • Άδεια

    • Τυπική άδεια YouTube
    ANAΡΤΗΣΗ ΑΠΟ ΤΟ YOUTUBE 9/8/2015


World's Most Innovative Technology & Concepts for Future Aircraft, Jet-F...

     



World's Most Innovative Technology & Concepts for Future Aircraft, Jet-F...



Δημοσιεύτηκε στις 22 Οκτ 2014
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https://youtu.be/RGNrSdsPkS0

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ANAΡΤΗΣΗ ΑΠΟ ΤΟ YOUTUBE 9/8/2015

How Magnet Works - The FORCE of Nature | A Documentary Film

    



How Magnet Works - The FORCE of Nature | A Documentary Film



Δημοσιεύτηκε στις 9 Μαρ 2015

How Magnet Works - The FORCE of Nature | A Documentary Film

Magnet
- is a product or item that creates a magnetic field strength. This
magnetic field strength is unseen however is responsible for the most
notable residential property of a magnet: a force that pulls on other
ferromagnetic materials, such as iron, and entices or wards off various
other magnets.

A long-term magnet is a things made from a product
that is allured and develops its own persistent electromagnetic field.
An everyday instance is a fridge magnet utilized to hold notes on a
fridge door. Materials that can be allured, which are likewise the ones
that are strongly brought in to a magnet, are called ferromagnetic (or
ferrimagnetic). These consist of iron, nickel, cobalt, some alloys of
rare earth steels, and also some naturally happening minerals such as
lodestone. Although ferromagnetic (and ferrimagnetic) materials are the
only ones attracted to a magnet strongly enough to be generally taken
into consideration magnetic, all various other elements react weakly to a
magnetic field, by among numerous other types of magnetism.

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