Science & Mathematics Questions and Answers
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How can you divide twelve in half and get seven?
how can you get a suntan?
How can you get omnidirectional patterns from a circular array fed from a butler matrix?
How can you make 100 using six nines only?
How can you make hydrogen?
How can you show that the curve y=x - ln x has only one turning point?
How can you tell if ancient skeleton is a child?
How can you tell that the halogens are non-metals?
How can you tell when corn is ripe and ready to be picked?
How can you understand whether a house facing to north or west or south or east?
How can you weigh your own head?
how chemical composition of food influence the growth of food poisoning bacteria and fungi?
How close are the atoms that make up the air we breathe ?
How close to the truth have physicists got?
How cold did you say?
how cold does it have to be before somebody can actually freeze to death?is it an immediate or slow death?
how cold is it going to be tomorrow (london )?
How come a fart in the bath smells far worse than any other?
how come a helicopter hovers in the same spot when the earth rotates.?
how come a ship that weighs thousands of tons doesnt sink but a man who only weighs a few stone sinks & drowns
How come all our towns and cities are twinned with european towns?
how come glue doesnt set in the tube?
how come glue doesn't stick to the inside of the tube?
How come I eat foods of various colours, but it always comes out brown?
how come it rains but never pours?
How come Loads of American towns are named after British towns?
how come miss universe always comes from earth?
how come silicon can conduct electricity?its not a metal..?
How come smoking hasn't been linked to global warming?
How come society is only just now going green.?
how come soundwaves can travel through solid liquid and gases as longitudinal waves?
How come spiders cant swim when they have 8 legs?
how come Tessla gets no credit for inventing virtually everything?
How come the water can cross the dijkes from beneath?
How come there aren't any brothels for pets?
How come there is such a large number of crane flys in Britain this year? Is it because the summer was so dry
How come theres no stars in the famous moon landing video?
How come water is needed for a hurricane?
How come we name all the Planets moons except our Earths?
How come when someone close to you dies, after a few years when you try and picture their face, you can't?
how come when you suck helium, your voice goes squeaky?
How come you can still drink when upside down?
How come you never see Baby Pigeons? Where Are They?
how come, earth moves app 20 deg along it's axis ,hence SUMMER & WINTERS?
How come, some hills go upwards, and some go downwards?
how comes when it is getting ready to rain the clouds turn grey?
How could moon attract the large water body on earth,but it fails to attract even a small body on its surface
How could a noble gas form stable oxides?
How could one most most concisely yet accurately explain string theory?
How could the technology boom have been more useful if it wasn't driven by military or market forces?
how COULD U?!?!?
How could we ensure access to clean water for everyone in the third world?
How could we run vehicles without oil?
How could you car proof a badger?
How could you demonstrate that MIG1 moved within the cell in response to glucose?
how crazy is a frog?
How cress is produced comercially?
how dangerous is it to take vitamins that are out of date?
how deep is 5 atms?
How deep is the deepest Ocean?
How deep is the mud at the Mariana Trench?
HOW DEEP IS THE RIVER THAMES?!i!i!?
how deep is the sea?
how deep would the sea be if it wasn`t full of sponges?
How design the plane?
how did cobble stone get its name?
how did dinosaurs die?
how did it come to be: the salt in the sea? and does it serve a certain purpose?
How did it happen.?
How did saving milk bottle tops make money to buy Blue Peter Guide dogs?
How did the Apollo astronauts overcome the Van Allen Belt ?
How did the cockatiels die?
how did the crocodiles in australia get the pox?
How did the Earth Begin?
How did the eye evolve?
How did the idea of mathematical induction come about?
How did the NASA's aeroplane manuoeuvre to simulate the NO GRAVITY environment for training astronauts ?
How did the person who invented the first clock set it to the right time. And when and who invented it?
How did the pidgeons die?
How did the reactivity series help the discovery of the most reactive metals?
how did the romans know in what direction to build roads?
How did the sea/ocean get there?
how did the sun evolve ?
how did they invent time ie how did they work out what a second was?
How did Uluru, or Ayres Rock, come to be the only large rock in a large area of desert?
How did we (the humans) make medicine in the first place?
how did we evolve?
how did we use to tell the time by shade and sun?
How did William Gilbert make his discoveries?
how different would our experience be if the world was stationary instead of spinning?
how distince betwen earth and moon?
how do air compressors unload and why do they do this?
how do animals get rid of waste substances which have been made in their bodies?
How do ants breathe?
How do Astronauts get rid of their urges whilst in orbit?
How do astronauts go to the toilet?
how do bats use ultrasound to catch their prey?
how do bees fly?
How do birds fly in flocks of hundreds without hitting each other?
How do black holes work, cant get my head round them, if something gets sucked in where does it end up?
How do cells replicate themselves?
How do centipedes mate?
How do chickens know the size of egg cups?
how do chickens lay eggs with the date printed on? bloody clever aint they ha ha?
How do clouds remain in the sky when full of water such as rain clouds?
how do darwinians explain how butterflies could evolve ?
how do doctors use chemistry in there jobs?
How do dogs react to smelling Ethanethiol in a safe but high concentration?
how do dolphins jump?
How do dolphins sleep?
How do electrons flow in A.C.?
how do enzymes work?
How do exhaust baffles work?
How do flies, with their tiny brains, manage to control their flight path?
How do fungi reproduce?
how do gas boilers for central heating work?
How do genetics work?
How do High rise cranes get built?
how do humans catch diseases?
How do humans programme a calculator?
how do humans, or any other mammal, produce heat to enable survival(instead of lying in the sun to heat up)?
How do I balance this oxidation reaction equation?
how do I calculate case cube (metric)?
how do i calculate confidence intervals in MS excel ?
how do i calculate the amount of water in my unusual shaped fish pond?
how do i calculate the degrees of a triangle?
How do I calculate the energy required to hold a weight at arm's length?
How do I calculate the mean and standard deviation of the combination of two distributions?
how do i calculate the mean trends on a graph?
How do I calculate the volume of loft space under a hipped roof?
How do i calculate the weight of the air inside a fully blown up condom for my science homework?
how do i calculate the width and depth of something sqaured?
How do I calculate watelength of photon and energy contained by photons?
How do I charge batteries using a standard bench power supply?
How do I collect propolis (tree sap)from a tree?
how do i construct a deltoiin geometry?
how do i convert angles of % into angles of degrees?
how do i convert angles of % into angles of degrees?
How do I convert seconds to days, hours, minutes, seconds?
how do i detect seaman stains in or on clothing?
How do I determine if something is crystal or just glass?
How do I divide 4723 by 56 without using a calculater?
How do I do reciprocals on a casio calculator.?
how do i draw a force diagram of a car when it is still,accelerating, travelling at a steady speed and slowing
how do i draw the diagram for equilibrium of forces on a load?
how do i explain 'dynamic compressoin' and 'displacement compression'?
how do i explain what science is to a nine year old?
How do I find an equation that touches the x axis but does not pass through it?
How do i find degree for a circle graph?
How do I find the best reflector/refractor telescope for £200?
how do i find the length of the diagonal line inside the rectangle?
How do I get a job or training for a job that contributes to the stemming of the current mass extinction?
how do i get bubblegum out of my hair?
How do i get people to care for the environment?
how do i get rid of a bee hive, do bees leave the hive at a certain time of year?
How do I get the Kyoto Protocol modified to allow air capture of carbon so that climate change can be avoided?
how do i get the right air condition unit if i have the area of the room?
How do I get the weather widget to give UK weather?
How do I go about getting hold of some morphine in the UK?
How do i increase my white blood cell count? Checked wit the doctors and it seems my neutracell levels are low
how do I kill nuisance maggots that appear in our bin?
How do I know how much electricity an appliance uses?
How do I levitate using just the power of the mind?
How do I look after a Ladybird?
how do I magnetise a metal rod?
How do I make a Crab Angry?
how do i make a magnet?
how do i make an open ended cone from a flat sheet.?
how do i make hydrogen to run an engine?
how do i make things move with my mind?
how do i measure the diametric pitch of my lathe gears?
How do I photograph the Northern LIghts on normal film with a normal old style SLR?
How do I publish freely my invention for storing electrical energy?
how do i put 9-3x3+4=22 into brackets so that the answer is correct?
How do I raise £5000 for my university fee deposit in 2 weeks?
How do I set up blades of an electric plane?
how do i stop squirrels eating my windscreen wipers?
how do i study physics?
How do I take care of opals correctly?
How do i tell if a daphnia pulex is dead or alive?
how do i unblock a mobile phone?
how do i work out a percentage?
How do i work out how many gallons sumthing can hold?
how do i work out how many miles to the gallon i get on my car?
how do i work out probabilities?
how do i work out the molecular formulae of a compound when ive been given the mass of each element as a %?
How do i work out volume in litres?
How do I work out what percentage one number is of another number, on a calculator, ie what % is 12 of 186?
How do infra-red remote control devices work?
how do Jacob's get the figs into fig rolls?
how do know if you are bi?
How do Leylandii trees propogate in their natural habitat?
how do microscopes help in changing ideas?
How do microwaves work?
How do moons stay in orbit around Jupiter?
How do nerve cells adapt to their function?
how do oysters reproduce?
How do pencil erasers work?
How do people who die in pyroclastic flows die?
how do people write messages on motorway bridges which are far too far to reach down?
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