Time article The theory that all life on Earth originated from a single, primordial explosion has led scientists to more and different conclusions.

For example, scientists believe the theory could explain the formation of continents and the origin of animals and plants.

But some of these new discoveries have raised questions about the theory’s ability to explain the origins of life.

“It’s hard to get rid of the old hypotheses,” said David Reich of the Carnegie Institution for Science, one of the world’s foremost experts on the origins and evolution of life, in a recent interview with TIME.

“And it’s difficult to make any definitive conclusions about the universe.”

Theories have been around for centuries and theories are evolving.

Some researchers think the theory has been around since at least the dawn of time.

Scientists have been exploring the origin and evolution to explain complex and disparate phenomena for more than 150 years, and it is difficult to say what the best theory is, said Mark Osterman, director of the Center for Creation Research at Texas A&M University.

It’s possible that there are many different theories, but the theory of a single Big Bang explosion is still the best, Ostermans team said.

In the late 1960s, scientists discovered that protons were formed from a radioactive decay of protons that was caused by a radioactive isotope called strontium-90, and they began to suspect that this explosion was the cause of the formation.

A few years later, a group of scientists suggested that the same radioactive decay that made protons could also make helium, the fuel that fuels stars.

This theory was based on observations of protoskeletons in the atmospheres of stars, which showed that protoskys were the building blocks of the stars.

But these protosky experiments didn’t find the helium, so the team came up with the helium theory.

The theory, known as the Big Bang Theory, holds that the universe began to expand from a dark point in the center of the cosmos where matter and energy had been created.

These cosmic expanding radiation streams, known colloquially as “dark energy,” accelerated the expansion and created the universe we know today.

That theory has led to many theories, including the theory that the Big Crunch could be a case of a Big Bang that began in an explosion that was not a Big Crunch, said Noah Brown of the University of Wisconsin-Madison.

Other scientists think that it’s unlikely that a Big Bust in the middle of the universe could result from the Big Buster.

The Big Buster is thought to have occurred in the Big Freeze, a period of time when the atmosphere was frozen over and the Sun was too far away to be seen.

There is some evidence that there was a time when life on earth was not the only kind of life on the planet.

And some of the theories that explain how life began on earth could also explain how we know that there is life on other planets.

Many scientists say the theory is incomplete, but some still believe that it will help us better understand the universe.

More from TIME.com: How We Became a Planet That Wasn’t Designed to Support Life is available now from Amazon.com, Barnes & Noble, iTunes, Google Play, the iBooks Store, and many more.