Subscribe || https://www.youtube.com/GuinnessWorldRecords Favourites || http://gwr.co/YT-Favs Isla McNabb is the youngest certified member of Mensa at the age of 2 years and 195 days old. ---------------------------------------------------------------------------------------------- At Guinness World Records we want to show that everyone in the world is the best at something, and we’re here to measure it! Whether you’ve got the stretchiest skin, know the world’s smallest dog or want to create the largest human dominoes chain we want to hear about it. Here on the Guinness World Records YouTube channel we want to showcase incredible talent. If you're looking for videos featuring the world's tallest, shortest, fastest, longest, oldest and most incredible things on the planet, you're in the right place. ---------------------------------------------------------------------------------------------- https://www.youtube.com/GuinnessWorldRecords https://www.youtube.com/GWRKids https://www.twitter.com/GWR https://www.facebook.com/guinnessworldrecords https://www.instagram.com/guinnessworldrecords https://www.tiktok.com/@guinnessworldrecords GWR.com || http://gwr.co/Website Threads || https://gwr.co/TH Snapchat || http://gwr.co/SC WhatsApp || https://gwr.co/WA For licensing: tv@guinnessworldrecords.com #GWR #GuinnessWorldRecords #WorldRecords