Recent results cast doubt on claims that a much-hyped experiment has detected signals from the Big Bang itself. Marcelo says that's just another example of science in the making.
July 9, 2014

The World Cup is on, a festival of amazing teamwork and theatric tribalism. Billions of humans love soccer. Are games a mark of intelligence, something we should expect to find across the cosmos?
July 3, 2013

Humanity is slowly transforming, evolving into a new species, growing together with its technology. Marcelo asks: How will we maintain our sense of self as we become something else?
June 25, 2014

There is no end to how much we can know of reality. But Marcelo warns that we can never know everything.
June 18, 2014

Don't get fooled into believing you know what reality is. Marcelo suggests it's a trick the brain plays on us, an illusion spun together out of our many bodily senses.
June 11, 2014

Does a mind need a body to exist? To be happy? Science fiction has been wrestling with these questions for years and Marcelo suggests that we heed Hollywood's latest warning.
June 4, 2014

We don't often think about it but we are deeply connected to the universe and deeply indebted to mother Earth. Marcelo thinks its time we treated her with respect.
June 1, 2014

NASA's Kepler satellite has spotted an Earth-like planet in the habitable zone of another star. This is a truly remarkable achievement.
May 21, 2014

We are all connected chemically to the universe; life, if it exists out there, will share the same roots as life here. Yet, we must be the only humans in the cosmos.
May 14, 2014

It's been four decades since the idea of supersymmetry was proposed as a better way to explain the universe. The problem is that we haven't been able to prove it.
May 10, 2014

The right person can make all the difference in your life. Marcelo has benefitted from more than one mentor in his life. Now he gives his time to others and encourages you to do the same.
April 30, 2014

How much can theories tell us about nature? For one thing, they can't tell you the truth. A recent cosmic discovery about the earliest moments of the Big Bang highlights this conundrum.
April 23, 2014 

Evidence of ultra-fast cosmic expansion forces us to confront the possibility that the multiverse exists. But how will we ever know? It's a problem that could leave us tangled up in knots.
April 16, 2014

Scientists last week revealed evidence of gravitational waves from the very beginning of the universe. Are we closer to understanding creation itself?
April 9, 2014 

Is civilization on the brink of collapse? Every age has its seers who falsely claim that all is rotten. But it's also true, as a new study notes, that history is littered with examples of implosion.
April 2, 2014

A remarkable new book brings Plato back to teach us how to make our lives matter and why philosophy is here to stay. 

March 26, 2014

The gift of believing in imagination, enjoying it as if it's real, usually falls away in adulthood. But keeping the door open between the imagined and real worlds can show us the way forward.

March 19, 2014 

As we learn more about the brain, we should ask whether learning too much might, ultimately, compromise our freedom. Simulating reality could be a threat to reality.

March 12, 2014

The whole debate between science and religion is hitched to the wrong tree. Common ground exists: each is a manifestation of humanity's attraction to the mysterious.

March 5, 2014 

Stephen Hawking wants to do away with black holes (as we know them) so he can save the two pillars of modern physics: general relativity and quantum mechanics. At stake is our understanding of the nature of space and time, and how matter affects, and is affected by, both.

February 22, 2014