Tag: Astrobiology

Through the Wormhole episode 53 – Do We Live in the Matrix ?

Our universe seems real. But what if it’s a video game? Scientists in a variety of fields are taking seriously the possibility that we live in a virtual reality. Maybe the Big Bang was just the moment someone flipped the switch and turned on our universe. Maybe what looks random has already been programmed to ...

Are We Here for a Reason

Through the Wormhole episode 52 – Are We Here for a Reason ?

Evolution tells us that all life exists for only one purpose: to reproduce. But is that all there is? How could such a simple imperative lead us to create great art and civilizations? A new theory suggests that instead of passing on genes, our ultimate purpose is to process and pass on information. We are ...

Can Time Go Backwards

Through the Wormhole episode 51 – Can Time Go Backwards ?

We move around in space, but we are stuck in a prison of time moving ever forwards. Einstein said, “The distinction between past, present and future is only a stubbornly persistent illusion.” Is our experience of the ticking clock merely a trick of the mind? Could science ever make the clock move backwards?   Experiments ...

Are We All Bigots

Through the Wormhole episode 50 – Are We All Bigots ?

If you had less than one second to make a life-or-death decision to shoot a man who might be armed with a lethal weapon, what would you do? Would the ethnicity of the man affect your decision? Are you sure? The outcome – whatever your race – will surprise you. Brain imaging studies are showing ...

When Did Time Begin

Through the Wormhole episode 49 – When Did Time Begin ?

We float along the river of time. But does that river have a source? Where did time come from? Some believe time and space are one thing, and the Big Bang started the cosmic clock. Others believe the universe existed for almost half a million "years" before light could move and time began. Still others ...

Through the Wormhole episode 48 – Is there a Shadow Universe

Through the Wormhole episode 48 – Is there a Shadow Universe ?

When we look up into the sky it appears we live in a universe that is filled with light. But scientists are now certain there is far more matter in the dark portions of our universe that we can’t see or touch. There’s something hiding in the shadows. Cosmologists agree that "dark matter" has helped ...

Will We Become God

Through the Wormhole episode 47 – Will We Become God ?

Humanity’s potential seems limitless. But could we become as powerful as God? Scientific breakthroughs grant our species seemingly divine abilities. Biologists tinkering with DNA are figuring out ways to grow new life forms, while neuroscientists try to create artificial consciousness. Statisticians around the world are using big data to predict the future and computer scientists ...

Is Gravity an Illusion

Through the Wormhole episode 46 – Is Gravity an Illusion ?

We feel it every moment of our lives but for physicists, gravity is the longest running unsolved mystery of the universe. Why do all objects that have mass pull on one another ? Cutting-edge theories are proposing unexpected answers: Gravity could be another force in disguise, a thermodynamic mirage, or even, a shadow of a ...

Is a Zombie Apocalypse Possible

Through the Wormhole episode 45 – Is a Zombie Apocalypse Possible

It is a nightmare that has stalked us for centuries: hordes of human beings transformed into mindless, cannibalistic monsters. Could this civilization-ending nightmare become reality? Scientists have discovered pathogens that turn insects into the walking dead. New strains of viruses are attacking humans every day. Mathematicians have calculated the likelihood of surviving a zombie virus ...

Through the Wormhole episode 44

Through the Wormhole episode 44 – Does the Ocean Think

There could be an undiscovered species on Earth unlike anything we’ve ever known. Not in the ocean, but the ocean itself! Its body spans thousands of miles; its heart beats with a one-thousand-year pulse. It could even have an immune system capable of annihilating all other life on earth. Just as our bodies function through ...