ScienceI am Lonnie Johnson, inventor of the Super Soaker. I'm a nuclear engineer with over 100 patents, and accidentally created the best selling water toy of all time. Ask Me Anything!
Jun 9th 2017 by Iinex • 25 Questions • 4985 Points
ScienceI am a marine scientist. I'm on a boat right now in the Gulf of Mexico doing deep sea research with 9 science buddies (we'll all answer questions!). AMA.
May 27th 2017 by DrCraigMc • 57 Questions • 8164 Points
I bring electricity to remote villages in Africa and got Eva Green to narrate my story. Samuel L. Jackson and other huge stars talked about it. AMA!
May 15th 2017 by tristan_ko • 52 Questions • 9952 Points
ScienceI am Erik Solheim, Head of UN Environment. Climate change, oceans, air pollution, green jobs, diplomacy - ask me anything!
May 10th 2017 by ErikSolheim • 18 Questions • 6873 Points
Apr 25th 2017 by emilycal • 32 Questions • 399 Points
Apr 20th 2017 by AcknowledgedIt • 16 Questions • 9800 Points
Science-LiveIamA NASA scientist. I invented an ice vest that burns calories just by wearing it, while you sit on your butt. For some reason people find the SECOND part hard to believe. AMA!
Apr 19th 2017 by waynehayes • 56 Questions • 292 Points
ScienceI am Dr. Michio Kaku: a physicist, co-founder of string theory, and now a space traveler – in the Miniverse. AMA!
Apr 19th 2017 by DrMichioKaku • 37 Questions • 2129 Points
ScienceIamA scientist who has spent my entire career studying terrible diseases - Ebola, smallpox, rabies, anthrax and many others. I'm here to answer your questions on infectious diseases of biodefense. AMA!
Apr 19th 2017 by Poxdoc • 37 Questions • 71 Points
ScienceWe are astronomers and chief scientists at the Griffith Observatory in LA and the Franklin Institute in in Philadelphia. And we just got back from a cosmic road trip through the Miniverse! Ask Us Anything!
Apr 18th 2017 by Laura_Danly • 31 Questions • 88 Points
I am a survivor of a pacemaker implantation, two heart transplants, dialysis, a kidney transplant, diabetes, liver stones, a cholecystectomy, a left lung collapse, and a tracheotomy. 1 Man, 3 Hearts, 9 Lives: AMA!
Apr 17th 2017 by 1Man3Hearts • 17 Questions • 360 Points
ScienceWe get to do gigantic experiments on whole lakes in Canada to help protect water all around the world. Ask us anything...!
Feb 28th 2017 by iisd_ela • 20 Questions • 60 Points
Actor / EntertainerHey Reddit, I'm Katherine Ryan! No V-Day Plans? Come talk to me about my Netflix special, Katherine Ryan: In Trouble, out now!
Feb 14th 2017 by katherineryan • 12 Questions • 3074 Points