14 When the Apollo astronauts returned from the moon they were quarantined. The capsule they returned in surely also had moon dust. What measures were taken to isolate it during the quarantine period?

15 Why do surveys always ask if I've been to McGrath, Alaska?

16 Have they ever tested human drug effects on octopus?

17 Why can't a successful mathematician like Terence Tao buy his time out of teaching and focus completely on research?

18 What tests on aging have been done on lab rats?

19 Is it true that a pair of kilogram masses a meter apart will come together due to gravity in about a week if they are magnetically levitated?

20 Where does CERN get its particles for its experiments?

21 Which scientific breakthroughs can we realistically expect to witness in the next 50 years?

22 What was the scientific value of the Kola superdeep hole?

23 Did NASA send astronauts to the moon six times in a row? If so, why did they do this so many times in a relatively short period and then simply stop sending astronauts to the Moon? Why haven't they built a NASA space lab on the Moon by now?

24 What are the signs that show you will not succeed as a PhD?

25 Why can’t we start sending rovers and probes to Titan since it is so earth-like? Is NASA afraid of finding life?

26 Fossils don’t show how much fat an animal had on them so how do we know all dinosaurs didn’t look like hippos?

27 Escape velocity from the Sun is 42.1 km/s, but Voyager 2's maximum recorded speed is 16 km/s. How did it reach interstellar space? What am I missing?

28 Were the remaining missions after the first man to land on the moon just a show off?

29 Physics: Chinese scientists claimed definitive discovery on anti-matter. Why did this not trigger a sensation like the gravity wave detection?

30 Why have we not sent space probes to take a “top down” view of our solar system?

31 Why should the public support black hole research?

32 What are some of the most shocking findings from the investigation of the Space Shuttle Columbia disaster?

33 Why haven't we had another scientific revolution in physics yet? Hasn't it been long enough since general relativity and quantum mechanics?

34 Besides the Phoenix Lights, what is the next most compelling UFO incident in the last 25 years?

35 What do scientists hope to accomplish by building a neutrino detector?

36 Why do we still know so little about the brain despite all the advancements in neuroscience?

37 Why is cancer research such a big failure?

38 Why is China drilling the deepest holes into Earth?

39 How old is the crack on the Moon? On my research, I found out it's 1388 years old, but I believe much older than that.

40 What should we expect to find when we finally send a probe to study Venus' surface?

41 If the moon is getting further away and there will soon be no total solar eclipses, was it possible at any point for the moon to completely block out the sun including its corona?

42 How did NASA know how far it was to the Moon before they sent astronauts there?

43 How do we know how long a day was 4 billion years ago?

44 Is the Harvard study on Tylenol and autism reliable or flawed?

45 How do we know that the chemistry of the air bubbles in "ice cores" is unadulterated over a hundred thousand years and more? What has been considered that makes us confident that the air bubbles have not reacted with its environment - at all?

46 What did neanderthals eat?

47 How many T-Rex fossils have been found? Is it possible the tiny arms are just a mutation on a select few and that's all we've found so we assume it's normal?

48 How do scientists know what extinct animals may have looked like?

49 What could be learned if NASA went back to the Moon, retrieved most of the Apollo debris, and brought it home for study?

50 Have Brazilian researchers proven Hilbert's 16th problem?

51 Did raptors really hold their arms like kangaroos?

52 5 years after finding the Higgs boson at the LHC, we still didn't find supersymmetry. What is the mood of the physics community about SUSY, despair or excitement?

53 Why did it take almost 300 years for germ theory of disease (1884 AD) to be developed when compound microscope was already invented around 1590 AD?

54 Where can I find scientific proof that anything other than pure white sugar is harmful to hummingbirds used in making hummingbird nectar?

55 RFK Jr. says the HHS will determine the cause of autism by September. What will this involve? Is this even practical?

56 Scientists revived a 46,000-year-old worm. What happened to the molecules with C-14 where the carbon decayed into nitrogen? How dangerous are they for the worm?

57 Is Elon Musk right in saying most academic papers are useless?

58 What do archaeologists have to deal with?

59 If a new theory were to emerge that explained the mysteries of physics, would you support it and attempt to revise it?

60 What do you do if you have a theory that perfectly explains the expansion of the universe and can explain how life came into being (not god did it) but do not have the credentials to put forth a theory?

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