Science announced: 125 cutting-edge scientific issues in the world Science公布:全世界最前沿的125个科学问题 Haizhuren website: from the network Zhuge think tank 2019-02-11 Part 5 81. Why does the pregnant woman's immune system not reject her fetus? 82. What is in sync with the biological clock of the organism? 83. How do migratory organisms discover their migration routes? 84, why sleep? 85. Why do humans dream? 86. Why does language learning have a critical period? 87. Does pheromones affect human behavior? 88. How does the general anesthetic work? 89. What is the cause of schizophrenia? 90. What is the cause of autism? 91. How long can the life of Alzheimer's patients last? 92. What is the biological basis of addiction? 93. How does the brain establish moral values? 94. What is the limit of learning through a computer? 95. How many personalityes are derived from heredity? 96. What is the biological root of gender orientation? 97. Is the tree of life the best way to express systematic relationships between life? 98. How many species are there on Earth? 99. What is a species? 100. Why does horizontal transfer occur in many species and how? |