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ScienceNet - Life Sciences
 
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ScienceNet is a World Wide Web resource database in Science. It is a community service project by Science Centre Singapore, supported by Nanyang Technological University and National University of Singapore.
We offer free electronic access to various topics in Science and Technology. Feel free to browse through our database and see if we have the answers to your questions.
Latest Answers
Q20365 : Who can I consult in Singapore regarding the authenticity of an Indian Chank, a.k.a., Turbinella Pyrum? For example, is it a composite made from marble, clay, bone china, parts of Indian Chank and parts of other shells?
Q20277 : Question 1: how to construct a shunt and series voltage regulator on circuit?
Question 2: how to read voltages at the input and output ends of the circuit?
Question 3: how will the readings for input and output be the same?
Question 4: how useful are these voltage regulators in real world?
Q20355 : Can Aedes mosquitoes live in saltwater?
Q20356 : I have heard that ozone can be used to lengthen the shelf life of fresh produce. Is it true? If so, how is ozone able to do that?
Q20126 : What is the problem of recreate Ebola from cDNA fragment? Otherwise it was easy to use it as bioweapon.
Q20360 : Is carbonic acid an organic or inorganic acid? I've got mixed answers from the websites, some listed it as an organic while others as inorganic.
Q20128 : How does a 7,9,10,12,20-gon look like?
Q20130 : Why is it that dry cells arranged in parallel stay lighted up for a longer period of time than those arranged in series?
Q20197 : If you set a candle flame under a propeller it will spin. Why does the propeller spin slower if the flame is closer and spins faster when it is further away?
Q20208 : I understand that if there is too little air, the Bunsen burner will burn with a yellow flame, too much air it have a strike back. with a blue flame, the air holes open, doesn't it have too much air. won't it have a strike back? Can a strike back occur with the air holes closed but there is too little gas (since a strike back occurs when there is too much air) Why is the colour of the flame in a strike back greenish and not yellow or blue? Thank you
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