What if you stopped sleeping?

Is your lack of sleep slowly killing you? Many of us have experienced the effects of sleep deprivation: feeling tired and cranky, or finding it hard to concentrate. Sleep is more important for our brains than you may realise. Although it may appear you’re “switching off” when you fall asleep, the brain is far from…

Why is Friday the 13th unlucky?

Superstitious people relate Friday the 13th to anxiety, fear and paranoia – they dread something bad would happen today. They call Friday the 13th a cursed day, a bad omen, an unlucky day. But do you know how it got associated as an “inauspicious day”? Psychologists point to the fact that if anything negative happens…

Why do we laugh?

Laughter: It’s something all of us do. Are there any scientific benefits to this act? Laughter is part of the universal human vocabulary. All members of the human species understand it. Unlike English or French or Swahili, we don’t have to learn to speak it. We’re born with the capacity to laugh. We laugh when…

What is Deja Vu?

Déjà vu is a French term which literally means ‘already seen’. As the name suggests, it is a strange feeling that the current situation has happened before. It is an experience in which places seem familiar, although you have visited that place for the first time!! One of the prevailing theories suggests that sometimes, visual…

Why are some people left-handed?

Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed — and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution. Left-handedness is…

Why do we have nightmares?

Dreams are hallucinations that occur during certain stages of sleep. They’re strongest during REM sleep, or the rapid eye movement stage, when you may be less likely to recall your dream. Dreams that help you deal productively with emotions, memories and other information may seem very helpful. The occasional nightmare is considered a dream that’s simply more frightening…

Why do we dream?

The human brain is a very mysterious thing. Most people dream, even if they can’t remember them. We know this because scientists have tracked the brainwaves of people when they’re sleeping and proved by studying the ‘Rapid Eye Movement’ of humans, which shows their brains are busy doing something. Interestingly, it is said that dreams…

Which is your favourite colour?

Which is your favourite colour? Red, Blue, Black, White, Yellow, Pink? For Elizabeth Sweetheart it is Green. Elizabeth, originally called Elizabeth Eaton Rosenthal, is a 74 year old lady living in Brooklyn, New York, USA. She is locally called the ‘Green lady of Brooklyn’, for her love for green colour, which she constantly wears and…

No handshakes, Fist Bumps would do

Handshakes, the most widely used form of greeting is apparently not hygienic. Different cultures have other more hygienic ways to greet friends, family, colleagues and acquaintances. Indians have been using ‘Namaste’ with folded hands for generations; Japanese, do the bow;  Ethiopian men touch the shoulders, people in Congo do the head knock to greet each…