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9 hours ago · Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius ( Mercury ), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.
9 hours ago · Ice An ice block, photographed at the Duluth Canal Park in Minnesota Physical properties Density (ρ) 0.9167 –0.9168 g/cm 3 Refractive index (n) 1.309 Mechanical properties Young's modulus (E) 3400 to 37,500 kg-force /cm 3 Tensile strength (σ t) 5 to 18 kg-force/cm 2 Compressive strength (σ c) 24 to 60 kg-force/cm 2 Poisson's ratio (ν) 0.36 ± 0.13 Thermal properties Thermal conductivity ...
1 day ago · Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
9 hours ago · Social media. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. [1] [2] Common features include: [2] Online platforms that enable users to create and share content and participate in social networking.
9 hours ago · In medicine, a prosthesis (pl.: prostheses; from Ancient Greek: πρόσθεσις, romanized: prósthesis, lit. 'addition, application, attachment'), or a prosthetic implant, is an artificial device that replaces a missing body part, which may be lost through physical trauma, disease, or a condition present at birth (congenital disorder).
9 hours ago · Totalitarianism is a political system and a form of government that prohibits opposition political parties, disregards and outlaws the political claims of individual and group opposition to the state, and controls the public sphere and the private sphere of society. In the field of political science, totalitarianism is the extreme form of ...
9 hours ago · The African National Congress ( ANC) is a political party in South Africa. It originated as a liberation movement known for its opposition to apartheid and has governed the country since 1994, when the first post-apartheid election resulted in Nelson Mandela being elected as President of South Africa. Cyril Ramaphosa, the incumbent national ...
