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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Three routes of tissue-level transport in plants: transmembrane, symplastic, and apoplastic. Three routes of tissue-level transport in plants: transmembrane, symplastic, and apoplastic.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Timothy O'Sullivan (negative) and Alexander Gardner (print), A Harvest of Death, Gettysburg, ... Timothy O'Sullivan (negative) and Alexander Gardner (print), A Harvest of Death, Gettysburg, ...
Leading Causes of Death Due to Infectious Diseases Leading Causes of Death Due to Infectious Diseases
Mucosa-associated lymphoid tissue (MALT), including tonsils, adenoids, and gut-associated lymphoid ... Mucosa-associated lymphoid tissue (MALT), including tonsils, adenoids, and gut-associated lymphoid ...
Microarray analysis for analyzing gene-expression patterns in a tissue Microarray analysis for analyzing gene-expression patterns in a tissue
Video: Brief Summary on Photosynthesis - Animation

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