众所周知，减数分裂是有性生殖生物的生殖细胞在成熟过程中发生的特殊分裂方式。在这一过程中，DNA复制一次，细胞连续分裂两次，结果会使得染色体的数目减半，由一个亲代细胞产生出四个单倍体细胞，每条染色体源自于...
点击蓝字关注我们来自弗吉尼亚大学的阿根廷学者Eyleen O'Rourke带领研究小组鉴定了一个模式物种中调节肥胖的基因，这可能会对人类未来研究治疗这种疾病的药物产生影响。（丹·爱迪生 美国弗吉尼亚州通信公司）过...
中国是茶的故乡，是世界上最早发现茶和利用茶的国家，已有四五千年的历史。茶也是中华民族的举国之饮，发于神农氏，闻于鲁周公，兴于唐朝，盛于宋代，普及于明清之时。但茶究竟能否能强身健体至今仍鲜有科学的证明。...
点击蓝字关注我们秀丽线虫作为一种微小的生物，常年生活在土壤中，以细菌为食。早在1998年，线虫的基因就已经完全译码了，至今已有六位科学家因为在秀丽线虫的研究过程中取得的突出成就而获得了诺贝尔奖。尽管线虫个...
摘要：秀丽线虫是一种非常有用的模式生物，通过秀丽线虫科学家已经成功地揭示了与衰老相关的基因及衰老的途径。
Bacteria have developed a subtle defense system to eliminate the foreign invasion genes of viruses and can quietly remove viral genes from their own genomes. This defense system of bacteria...
Biologically, aging is a spontaneous and inevitable process of life over time. It is a complex natural phenomenon, characterized by structural degeneration and functional decline, with the decrease of...
Alcohol is commonly used in modern life. Moderate drinking has the function of promoting blood circulation and preventing cardiovascular diseases. However, excessive drinking will damage the liver, st...
Scientists have invented airplanes based on the principles of bird flight, designed radar through bats using ultrasound to locate their location during flight, and inspired by electric fish to devise ...
