Reliable updates on global events, science, and public knowledge—delivered clearly and honestly.
Score: 4.8/5 (47 votes) A tooth abscess won't go away without treatment. If the abscess ruptures, the pain may decrease significantly — but you still need dental treatment. If the abscess doesn't drain, the infection may spread to your jaw and to other areas of your head and neck.How long ...
Score: 4.1/5 (73 votes) A musky smell might make you close your eyes and smile, or it might make you leave a room. Either way, it's a very strong and sweet odor that's hard to ignore. Musk is a scent that deer secrete to convince a mate to cuddle with them, and so a musky odor often does t...
Score: 4.4/5 (8 votes) Uranus is a real oddball in our solar system. Its spin axis is tilted by a whopping 98 degrees, meaning it essentially spins on its side.What planets rotate on their own axis?Venus spins on its axis from east to west, while Uranus is tilted so far over, it's virtually spi...
Score: 4.4/5 (31 votes) Hardwoods: Arguably, the best wood for fires is Hardwoods such as Oak. Hardwoods burn longer than other woods, and burn cleaner, meaning it creates less smoke and residue than other woods. These denser woods will produce a hotter, stronger, and long-lasting fire.What is the b...
Score: 4.2/5 (20 votes) Detroit is known as the world's "Automobile Capital" and "Motown" (for "Motor Town"), the city where Henry Ford pioneered the automotive assembly line, with the world's first mass produced car, the Model T.What is Detroit famous for?Nicknamed 'Motor City',...
Score: 4.8/5 (69 votes) To prove a quadrilateral is a rhombus, here are three approaches: 1) Show that the shape is a parallelogram with equal length sides; 2) Show that the shape's diagonals are each others' perpendicular bisectors; or 3) Show that the shape's diagonals bisect both p...
Score: 4.3/5 (2 votes) There is no cure for mesothelioma. Long-term cancer remission is possible. Researchers are working on new cancer treatments, such as immunotherapy, which improve prognosis and quality of life for patients.Has anyone survived mesothelioma 4?Stage 4 Mesothelioma SurvivorsAlthoug...
Score: 4.3/5 (74 votes) Possible causes of unintended consequences include the world's inherent complexity (parts of a system responding to changes in the environment), perverse incentivesperverse incentivesA perverse incentive is an incentive that has an unintended and undesirable result that ...
Score: 4.6/5 (11 votes) A spider web, spiderweb, spider's web, or cobweb (from the archaic word coppe, meaning "spider") is a structure created by a spider out of proteinaceous spider silk extruded from its spinnerets, generally meant to catch its prey.How do cobwebs form without spiders?Like m...
Score: 5/5 (5 votes) It is an algorithm that can be used for regression as well as classification tasks but it is widely used for classification tasks. The response variable that is binary belongs either to one of the classes.Is logistic regression used for classification or regression?Logistic regr...
