The equator is a clear and accurate line around Earth that makes measuring latitude a precise science, but when it came to figuring out how to do that with longitude, British sailors were at a loss. Until they devised a competition.

SciShow explains how three important ingredients -- sunlight, water, and you -- interact to create the illusion of a rainbow. The colorful details are inside!

You'd have a hard time finding the medieval city K_nigsberg on any modern maps, but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with...

Ever wonder the difference between an 'Astronaut' and a 'Cosmonaut'? Well, have a seat and get comfortable because SciShow Space will tell you all about it.

This video is the eighth installment of our Psychology Revision Series to prepare you for your exams with exactly the right information that you need to know.

We've all been told that it's dangerous to drive whilst on the phone, but what's the evidence to back this up? It turns out that not only is it dangerous to text and talk on a handheld mobile phone, it's equally dangerous to chat with...

Validity is a key concept in research methods. It can be broken down into two umbrella categories: internal validity and external validity.
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1) Internal validity considers factors within the design of the ex
periment.
2)...

The question of what intelligence actually is has intrigued Psychologists and Philosophers for thousands of years. We use intelligence as a measure of people's abilities and potential in day-to-day life, but how many of us have actually...

As Psychology is a science, it uses the experimental method in a similar way to Physics, Chemistry and Biology. However, because of the subject matter Psychologists are studying, it can sometimes seem a bit confusing.
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Under...

A video consisting of useful and thought-provoking quotes from leading Psychologists on the topic of Decision Making.

Experimental designs make a huge impact on the validity of an experiment's results. In this video, we explore the three main types of experimental design used in Psychology experiments:

1) Repeated Meas
ures
2) Independe
nt...

This video explores the science and personal experiences behind autism, highlighting how differences in brain structure and function shape behavior. Host Alie Astrocyte and guest Cory, an autistic musician and educator, discuss what...

This video is the seventh installment of our Psychology Revision Series to prepare you for your exams with exactly the right information that you need to know.

Biology and Psychology are interconnected sciences. In this video we analyse the stages of prenatal development to understand what is happening in the womb during pregnancy, and how this connects to psychological development. Given that...

Textbooks are your number one tool as a Psychology Student, so don't limit yourself to the one course book. That is the surefire way to be absolutely average. If you want to outperform your class, you'll need to absorb more information...

The COGNITIVE INTERVIEW was created by Geiselman and Fisher in a bid to improve the quality of eye witness testimony. The Cognitive Interview has four distinct retrieval techniques at its core:

1) Re-establishing the...

Learn about Stanley Milgram's landmark 1961 experiment on obedience to authority. Also known as the electric shock experiment.

Social Learning Theory suggests that we learn not just by way of reward and punishment for actions, but instead we learn by observing others and imitating their behaviours. We watch, we copy, we practise. And one of the intriguing claims...

This video tackles the question of whether teenagers should take paid work alongside their education. Based on Steinberg et al.'s (1982) findings, this video challenges the notion that teenagers should use their free-time for financial...

This video introduces you to the concept of Classical Conditioning (Pavlovian Conditioning), a key learning theory discovered accidentally by Ivan Pavlov. We also discuss the ethically dubious experiment conducted by Watson and Raynor...

Everybody lies. However there are different types of lying. This video explores research on "paltering" - lying by telling the truth. This intriguing form of lying can be perceived as the most unethical, and can lead to significant...

Brain scans enable Psychologists and Neuroscientists to look inside the brain without having to open the patient's skull. In this video we cover four key types of brain scan that every Psychology student needs to know: 1) Computerised...

This video is the ninth installment of our Psychology Revision Series to prepare you for your exams with exactly the right information that you need to know.

Abnormal is a word with a lot of stigma about it in general conversation. In psychology, it's used with specific meanings. This video outlines four criteria by which someone might be considered to be functioning abnormally.