184AskScience Panel of Scientists XVIII
255AskScience AMA Series: I am Jessica Pierce, a bioethicist who has recently focused my work on animals. AMA!
1437Why do we use pillows now when we sleep? Did we need this during the prehistoric/ancient age? What changed?
2479How do people colorize old photos?
27Since humans are drilling so much oil out of the ground, are there large empty caverns underground where the oil used to be?
4096Durban, South Africa. Are these different colors due to the Umgeni river or the difference in temperature that affects plankton?
222Are our bones sensitive to cold just like our teeth are?
79Did matriarchies ever exist? If so, did they extend beyond the immediate tribe? What is the consensus in the anthropological community?
62Have any megafauna specimens besides the mammoth been recovered from the Arctic? Any similar discoveries in the Antarctic.
513How is a fighter jet engine different from a commercial jet engine?
7From the book E=mc2 and why should we care (Brian Cox and Jeff Forshaw). Why do they state that there are only two possibilities for measuring distance in spacetime and where does the act of flipping the sign in Pythagoras arise from?
3How does a film go from film ro digital?
6Why do people with dementia experience hallucinations? In particular, why do the vast majority experience seeing children?
3Is there any particular reason for the number of states of matter being what it is? Could we have an arbitrary number of states between those?
5Is a geostationary orbit above a place other than the equator possible?
3What type of plastic are shatter resistant rulers made of ?
2How do all the zillions of cell phones and other types of transmitters not interfere with one another?
6What are the main complications stopping us from having supercapacitors?
2How can Zero-g flights simulate low gravity (lunar and martian gravity)?
2How do birds detect magnetic fields to know which way is north and south?
1Are there any species that have evolved to adapt to humans?
2How does a tablet know to turn off when you close the case, but to stay on when you turn it upside down on a table?
8If weather storms are due to air moving from high to low pressure areas until there's equilibrium, how come the storms on Jupiter last continuously for centuries?
202Could you use jet engine with, ramjet and than sramjet in series?
2Do other types of flesh, other than muscle, lose their functionality once diagnosed with ALS?
38Since mountains are changing elevation due to plate tectonics is it possible to know what the highest mountain to ever have existed was?
2What file format is the images and info that went along with the Voyager spacecrafts on the golden records in?
1What are the biggest efforts against climate change?
24Is there a major difference between steam and fog? At a basic understanding, they’re both just water in a gaseous state right?
8492Why do nuclear power plants have those distinct concave-shaped smoke stacks?
10Why do we stop feeling hungry when we're nauseous?
3How does an electric circuit actually work?
1What's the importance of rocket engine exhaust gas velocity in terms of forces acting on the nozzle?
6In cars, why do objects in the side mirror opposite the driver appear so much farther away?
30What makes a material sticky?
10Why does AM radio play with such lower quality compared to FM?
302Why does salt increase rusting in a metal when it doesnt take part in the reaction. Is it a catalyst? If so how?
3If we are creating tissue's in the lab, is there any research going on into busting the black market with lab grown Ivory or other rare tissue's?
4What is the difference between Natural Vitamins that are found in fruits and vegetables and the Synthetic Vitamins that we have in multi vitamins tablets?
8How does the Terrell Rotation work?
13How did astronauts on moon landing missions perform normal body functions?
10Are there any parts of the human body that can’t be transferred to another person?
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How are defining mutations in haplogroups chosen?