World Topics

Jun 26, 2015

Scientists crack gene secret that lets poppies make morphine

Scientists have identified a key gene used by poppies to make morphine, paving the way for better methods of producing the medically important drug, potentially without the need for cultivating poppy fields. The latest finding follows recent success in engineering brewer’s yeast to synthesise ...

Jun 25, 2015

Weather patterns that bring heat becoming more frequent

Daily weather patterns have changed in recent decades, making eastern North America, Europe and western Asia more prone to nastier summer heat waves that go beyond global warming, a new U.S. study finds. A team of climate scientists at Stanford University in California looked ...

Jun 25, 2015

Wildfires blister Alaska with increased frequency, intensity

Alaska residents endure the nation’s harshest winters for the reward of beautiful summer days with sunshine that lingers until midnight. But increasingly, large wildfires have marred the pristine outdoors, filling the skies with black smoke and forcing people who live near forests to flee ...

Jun 25, 2015

Early Europeans interbred with Neanderthals: study

Around 45,000 years ago, the only humans who lived in Europe were Neanderthals. Some 10,000 years later, if the sketchy fossil record is right, the Neanderthals had been replaced by our ancestors, and one of the greatest mysteries in anthropology was born. Were the ...