• +713

  what causes ocd

  Aleyna — zionsville, IN

• +3588

  Who Invented 0?

  Madison — Oklahoma City, OK

• +3692

  Where is Coober Pedy?

  Deanne — Sydney

• +3485

  Why is a quotient called a quotient?

  Nicole — Greenwood, IN

• +3923

  How does a Brita filter work?

  Jessica — Baltimore, MD

• +3282

  Why does milk spoil?

  Katelyn — Cleveland, OH

• +6086

  Why Is Kindergarten Called Kindergarten?

  Emory — Oklahoma City, OK

• +5545

  How does the pink in the sky happen at sunset or sunrise?

  Katriona — Lower Longley

• +7468

  What do butterflies do when it is raining?

  Nancy — Charlottesville, VA

• +10661

  Who invented Wi-Fi?

  Aditya — singapore

• +5958

  Why do we have to write in cursive when signing documents and other things?

  Abby — Buford

• +5888

  What is a rhombicosidodecahedron

  Caroline — Charleston , SC

• +6466

  How does the Sensitive Plant work?

  Zackary — Milwaukee

• +6238

  why are there different clefs for different instruments in music?

  Abby — Buford

• +4445

  whats the difference between a shetland pony and and regular pony

  Abby — Conneticut

• +8408

  Who was Stephen Hawking?

  Alex — Madison

• +8683

  What is quinoa?

  Vanessa — Omaha, NE

• +10741

  Why is it colder the higher you get, even though it is closer to the sun?

  Lizzie — Gastonia

• +9306

  Why is a negative number and another negative number positive when multiplied?

  Abby — Buford, GA

• +10190

  How does a hard drive work?

  Phoenix — Bremerton

• +9074

  What is a quokka?

  Bob — Los Angeles, CA

• +8135

  How does an axolotl regrow its limbs?

  Norah — Glen Rock, NJ

• +10693

  Do all animals stretch when they wake up? Other than feeling good, why do we do it?

  David — Sacramento

• +13168

  What is the difference between a recorder and a flute?

  Rachel — Brentwood, TN

• +12328

  How does the stock market work?

  Rogaciano — Otsego

• +17155

  Why are there white spots in fingernails ?

  Soujanya — Bengaluru

• +16115

  What is the Hope Diamond?

  Meher — Edison, NJ

• +11285

  Why does colder air feel “crisp”

  Sophie — Westchester County, NY

• +14009

  What happens to sugar when it's dissolved in water?

  Shantie — Carteret

• +13730

  what's OCD?

  Rylan — Spanish Fork, UT

• +19490

  Can sand turn to glass if it's struck by lightning?

  Brooke — Allenhurst, GA

• +10665

  What is the Fibonacci Sequence?

  Daniel — Fremont, CA

• +13149

  How was perfume made?

  Braxton — Kansas City, MO

• +10682

  What is the Rosetta Stone?

  @MrsSmithGE — Yukon

• +10876

  How does an oxbow lake form?

  Margie — Plainfield, IL

• +12041

  What is synesthesia and why does it happen?

  Prajusha — New York city, NY

• +13268

  What are Lichtenberg figures?

  Evan — Wind Lake, WI

• +797

  Are there caves in the ocean

  Gilbert — Minneapolis

• +17654

  How do Miracle Berries work?

  Zoey — Copperas Cove, TX

• +20964

  Why do your eyes develop shadows when you're tired?

  Sam — Sydney

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