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• Will we be able to live into space?

  Asked by DS from iPhone | 6 responses

• Have you ever been told by your doctor that surgery is required - and opted out?

  Asked by zensky | 13 responses

• What color combination is best for reading on a sheet of paper?

  Asked by Ltryptophan from iPhone | 11 responses

• Why Do Men Even Have Nipples?

  Asked by BBSDTfamily | 10 responses

• How does drinking water help with weight loss?

  Asked by jabag11 | 29 responses

• Humans are not to look directly in to the sun. What will happen if one does?

  Asked by rebbel | 17 responses

• What does it mean when I get angry during working out?

  Asked by whiteliondreams | 8 responses

• What is a biological explanation for Introverts need for recharging?

  Asked by RedDeerGuy1 | 2 responses

• Why is it that if one was physically injured or endured pain somewhere on their body, that they can "feel pain" at a later date when just thinking about the incident?

  Asked by Jude | 6 responses

• Why would I suddenly lose a bunch of weight, but only temporarily?

  Asked by MissAnthrope | 11 responses

• If someone is pulled into the water unexpectedly, and so maybe did not a get a good breath of air, how long would they remain conscious for before passing out?

  Asked by jca | 14 responses

• Is the radiation from a tanning bed, Ionizing or Non-Ionizing?

  Asked by Flutherit | 15 responses

• Why do male humans have two testicles and not one? or three?

  Asked by rojo | 24 responses

• Do you have to get sore in order to gain muscle?

  Asked by Ponderer983 | 18 responses

• Does anyone know about brain fluid or pregnancy?

  Asked by RedPowerLady | 14 responses

• Would a bird without parental interaction learn to fly?

  Asked by Ltryptophan from iPhone | 11 responses

• Have you used a heat wrap? Did it help?

  Asked by 2davidc8 | 11 responses

• Is getting used to highly spiced food a physiological or a psychological adaptation?

  Asked by Harp | 5 responses

• How does a post-op transexual male's penis work?

  Asked by LeopardGecko | 10 responses

• How can I keep my lips from drying at night?

  Asked by jabag11 | 17 responses

• Can muscle tissue crystallize when heated?

  Asked by marialisa | 6 responses

• When you are having a fun time with your friends, what's the brain chemistry behind that "high" feeling you get.

  Asked by LeopardGecko | 16 responses

• Is it bad to stop drinking water before sleeping?

  Asked by jabag11 | 11 responses

• What technically defines brain "maturity" or "maturation"?

  Asked by erniefernandez | 5 responses

• What parts of the digestive tract contain nerve endings?

  Asked by Mariah | 15 responses

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