Genetic analysis proves the United States is a nation of immigrants mixed
In the United States, almost no one can be traced back to their ancestors come from only one place. According to a new study, for many people, their past might be surprising.
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2014 global temperature was the highest year on record
US government agency released a report last year, the global average temperature hit a new high, making 2014 the hottest year on record since. Scientists believe that continued increases in greenhouse gas emissions attributable to human activities that caused.
The new method of targeting treatment to curb the growth of malignant tumors
American magazine “Science” has recently published a paper introduces a new approach to cancer therapy targeting, it is possible to curb osteosarcoma, brain tumors and certain pancreatic tumor growth, but this approach has yet to be verified by clinical research .
Wrong location designated protected areas, resulting in endangered animals
Location Congo a protected area designated on the map wrong, resulting in actual wildlife protected areas and the lack of legal protection is further endangered. How ironic look at this: Because the true location of protected areas where people had thought and not the same as to the protected area, named a newly discovered plants are threatened with extinction.
Nature magazine published an article commemorating 50 years found that B lymphocytes
the core issue is the vertebrate immunology research how to adjust their defense in response to bacteria and viruses, the latter two chemicals showed almost unlimited diversity. Good laboratory in adding two years, Cooper made a discovery on lymphocytes, which are proven to crack the mystery and eventually unify these two camps in the area of research played a crucial role.
Japan will sell can be around the neck of portable air purifiers
Allegedly, the weight of which was 210 g purifier, lightweight and flexible. Whether it is hanging in the body or walking on the package, it would not be a burden.
NASA Kepler found supermassive black holes
This is called a distant black hole located within the KA 1858 galaxies. Researchers are observed in the United States National Aeronautics and Space Administration (NASA) and help astrophysicist at the University of California under. It is estimated that the black hole’s mass is about 800 times the mass of the sun around.
Aircraft black box is outdated, should use return real-time aircraft information in satellite
the airline industry since the 1950s, the use of the black box flight data recording, note the wind speed, time and height of 88 different flight data and cockpit crew to record the dialogue is an important tool for investigating the causes of the crash.
Norway solar energy house, energy power 23,200 kwh / year
Roof covering 150 square meters of solar panels to the horizontal 19 degree angle toward the southeast, to ensure the full absorption of sunlight, coupled with solar water heaters, Extra battery can provide an electric car.
Swiss researchers said the frequent use of smart phones affect brain activity
With the popularity of smart phones, micro-thumb typing letters, forefinger and middle finger slide on the screen to sweep, a lot of people may be the most frequent day “event.” Switzerland, a new study says regular use of smart phones will stay strong “imprint” in the part of the brain processing tactile.