2015년 3월 6일 금요일

Jawbone of early human puts evolution in a whole new light

 
Friday, March 6, 2015
Jawbone of early human puts evolution in a whole new light
Has climate change made us who we are today? A broken and fossilized jawbone found poking up amid sediment in an East African hill is rewrit...
Jawbone of early human puts evolution in a whole new light

SCIENCE

   
Don't believe the light: Supernova in 'Einstein Cross' is a cosmic trick
An exploding star goes supernova only once – but if you’re really, really lucky, you might just get to see it happen four times. An internat...

SCIENCE NOW

D'oh! Homer Simpson beat scientists in race to find Higgs boson mass
Does Homer Simpson deserve a share of the 2013 Nobel Prize in physics? Did the European Organization for Nuclear Research and its scientific...
› Spotted: A planet 10 times the size of Jupiter with four suns
› Science goes to great lengths to measure average penis size

ENVIRONMENT

Scientists explain how climate change helps fuel California drought
Climate change is increasing the risk of severe drought in California by causing warm periods and dry periods to overlap more often, accordi...
› Is Syria conflict a case study for climate change?
› NOAA: El Nino is 'too little, too late' for California drought

HEALTH AND MEDICINE

Ebola milestone: Liberia releases last known patient from treatment
She is “one of the happiest persons on Earth today.†And she could be Liberia’s last Ebola patient in a devastating outbreak that began in W...
› Cleaner air is linked to stronger lungs in Southern California children
› Another reason to drink coffee: It's good for your heart, study says

HIGHLIGHTS

Mars once had an entire ocean -- and then lost it, scientists say
 
   
Dry, dusty Mars once had an ocean that held as much water as the Arctic Ocean and covered a larger share of the Red Planet’s surface than th...
› Despite safety fears, doctors often delay vaccines for young children
› Potential weight-loss agent from a tree is almost too good to be true

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