Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary information encoded in genes, which can be transmitted to future generations. Another major theme is evolution, which explains the unity and diversity of life. Energy processing is also important to life as it allows organisms to move, grow, and reproduce. Finally, all organisms are able to regulate their own internal environments.
Biologists are able to study life at multiple levels of organization, from the molecular biology of a cell to the anatomy and physiology of plants and animals, and evolution of populations. Hence, there are multiple subdisciplines within biology, each defined by the nature of their research questions and the tools that they use. Like other scientists, biologists use the scientific method to make observations, pose questions, generate hypotheses, perform experiments, and form conclusions about the world around them.
Life on Earth, which emerged more than 3.7 billion years ago, is immensely diverse. Biologists have sought to study and classify the various forms of life, from prokaryotic organisms such as archaea and bacteria to eukaryotic organisms such as protists, fungi, plants, and animals. These various organisms contribute to the biodiversity of an ecosystem, where they play specialized roles in the cycling of nutrients and energy through their biophysical environment. (Full article...)
Anatomy (from Ancient Greek ἀνατομή (anatomḗ) 'dissection') is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its beginnings in prehistoric times. Anatomy is inherently tied to developmental biology, embryology, comparative anatomy, evolutionary biology, and phylogeny, as these are the processes by which anatomy is generated, both over immediate and long-term timescales. Anatomy and physiology, which study the structure and function of organisms and their parts respectively, make a natural pair of related disciplines, and are often studied together. Human anatomy is one of the essential basic sciences that are applied in medicine, and is often studied alongside physiology.
Anatomy is a complex and dynamic field that is constantly evolving as new discoveries are made. In recent years, there has been a significant increase in the use of advanced imaging techniques, such as MRI and CT scans, which allow for more detailed and accurate visualizations of the body's structures. (Full article...)Naja naja or the Indian cobra is a species of venomous snake found in Indian subcontinent. It is one of the big four members and it is one of the species which are responsible for causing the most snakebite cases in India. This snake is revered in Indian mythology and culture and is often seen with snake charmers. It is now protected in India under the Indian Wildlife Protection Act (1972).
Daisy Yen Wu (Chinese: 吴严彩韵, 12 June 1902 – 27 May 1993) was the first Chinese woman engaged as an academic researcher in biochemistry and nutrition. Born into a wealthy industrial family in Shanghai, from a young age she was tutored in English and encouraged to study. She graduated from Nanjing Jinling Women's University in 1921 and then studied in the United States, graduating with a master's degree in biochemistry from Teachers College, Columbia University in 1923. Returning to China, she became an assistant professor at Peking Union Medical College between 1923 and her marriage at the end of 1924 to Hsien Wu. Collaborating with him, she conducted research on proteins and studied nutrition. After their marriage she continued to assist in the research conducted by Wu as an unpaid staff member until 1928. She and her husband collaborated in writing the first Chinese textbook on nutrition, which remained in print through the 1990s.
While raising their children, Yen Wu recognized that educational opportunities were limited and founded the Mingming School (Chinese: 明明学校) in 1934 to provide a modern comprehensive education for Chinese children. She also raised funds in 1936 to build a school hospital for their alma mater, the Jinling Women's College, and earned a degree in French. In 1949, as her husband was in the United States and unable to return because of the Chinese Communist Revolution, she took the children abroad. Hired as a researcher for the Medical College of Alabama, she resumed collaboration with her husband, until his death in 1959. Moving to New York City in 1960, she conducted research for the United Nations Children's Fund to develop nutritional standards from 1960 to 1964. From 1964 to 1971 she worked as a lecturer and created a reference library for the Institute of Human Nutrition at Columbia University College of Physicians and Surgeons and from 1971 to 1987 she worked at St. Luke's Hospital Center, creating a library for the New York Obesity Research Center. Throughout her life, Yen Wu created numerous scholarships in China, Taiwan, and the United States which bear the name of family members and allow students to further their education. She died in 1993 in Ithaca, New York. (Full article...)Anatomy - Anthropology - Astrobiology - Biochemistry - Bioengineering - Bioinformatics - Biotechnology - Botany - Cell biology - Conservation biology - Developmental biology - Ecology - Environmental science - Evolutionary biology - Genetics - Mathematical biology - Medicine - Microbiology - Immunology - Molecular biology - Mycology - Neuroscience - Paleontology - Palynology Parasitology - Pharmacology -
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