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Striped maple trees often change mating types, with females more likely to die（图）
Striped maple trees change mating types females likely to die
2019/10/28
More than 90 percent of flowering plant species combine male and female characteristics in one plant. In the less than 10 percent where female and male flowers exist on separate plants, they typically...
Three Types Of Extreme-Energy Space Particles May Have Unified Origin（图）
Three Types Extreme-Energy Space Particles Unified Origin
2018/2/1
One of the biggest mysteries in astroparticle physics has been the origins of ultrahigh-energy cosmic rays, very high-energy neutrinos, and high-energy gamma rays. Now, a new theoretical model reveals...
Two Types of Empathy Elicit Different Health Effects,Penn Psychologist Shows
Two Types Empathy Elicit Different Health Penn Psychologist
2017/7/20
When a close friend shares bad news, our instinct is to help. But putting ourselves in a friend’s shoes, imagining how we would feel if we were the one suffering, may have detrimental effects on our o...
For decades, scientists have struggled to develop a comprehensive census of cell types in the brain. Now, in a pair of companion papers, researchers at Columbia’s Mortimer B. Zuckerman Mind Brain Beha...
One nanoparticle, six types of medical imaging
One nanoparticle six types of medical imaging
2015/3/4
It’s technology so advanced that the machine capable of using it doesn’t yet exist.Using two biocompatible parts, University at Buffalo researchers and their colleagues have designed a nanoparticle th...