Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'Which animal can jump the farthest?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask the question 'What is a shooting star?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'What Is the Strongest Natural Material?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'What Is the Coldest Place on Earth?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'Can carrots turn me orange?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'What is the world's most venomous animal?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask 'How does a compass work?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'How does lightning work?'. Show more

Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask 'Is every human being unique?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask 'Why do we cry?' and learn how we shed tears. Show more

Doctor Knowles and Professor McCork get to the bottom of biggest science questions. Knowles and McCork ask 'Why do cats purr?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's big science questions. Knowles and McCork ask the question 'Which animal has the best eyesight?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Here, they find out why girls can't grow beards and what would happen if a man never shaved. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Here, they ask if goldfish have bad memories and find out what makes them tick. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions, asking what is the largest animal of all time? Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask the question 'What is a black hole?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask the question 'How does my heart keep beating?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask the question 'How much plastic is there in the oceans?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask the question 'Which animal can turn invisible?'. Show more

Doctor Knowles and Professor McCork get to the bottom of life's questions. Knowles and McCork ask the question 'Could pineapples grow on the moon?'. Show more