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Major winter storm strikes America hitting states like Texas especially hard.

If that sounds familiar, it's because the country is weathering back to back winter systems.

And that's put about 125 million Americans, more than a third of the US population under some sort of weather alert.

Most of these warning stretch from Texas to New England.

The winter weather has affected states from Washington to Michigan as well.

Many of the people who are feeling it the most are those whose power has been knocked out, several million of them in Texas.

And authorities are warning people to be especially careful if they're trying to warm their homes without the power on, They say portable gas powered generators should never be used inside.

Fireplaces, wood stoves and combustion heaters should only be used if they're vented correctly to the outside, cars should never be left running inside a garage, even with the garage door open.

All of these raised the threat of carbon monoxide poisoning, which has been blamed for several of the deaths that have been reported during these winter storms.

In the southeastern Texas city of Houston, scores of people waited for up to six hours to get inside a shelter that was set up at a convention center.

Volunteers brought food and warm clothing to help others whose electricity and water weren't running at home, lined up in their cars for fast food, in some cases waiting four hours to get to the drive through last year, natural gas and coal generated more than half of Texas is electricity.

These plants need water to stay online, and with water facilities frozen in the cold temperatures, some companies can't produce electricity wind turbines like thes air, responsible for around 25% of Texas's energy production.

We told you yesterday how some froze up or shut down during the storms.

Experts say the turbines weren't prepared with antifreeze.

For instance, for the frigid weather, nuclear power accounts for about 11% of Texas is electricity and at least one nuclear unit shut down because it also needs water.

So the result of all of this Texans are stuck in the cold.

Millions of Texans are once again spending a brutal and dangerously cold night in their homes.

This is because there are still millions of people without electrical power in their homes.

This is the third night in a row that power is still out to millions of homes across the state because of this winter storm that blew in Sunday night into the state.

There is another storm expected to come through on Wednesday as well.

But the question remains.

When will the electrical system be back up to full strength to get people the ability to warm up their homes?

And as hard as that may seem to believe, we just don't have a clear answer at this point.

We spoke with the chief executive of the Texas Power grid on Tuesday, who said that they had hoped to restore power on Tuesday and Wednesday.

But that is not clear that it's not clear that that's gonna happen.

We've heard from local and state officials who seem to suggest that there are other issues at play here.

The governor is saying that natural gas pipelines are frozen eso it could take longer to restore that power and and get that power into the system so that people can warm up their homes.

The bottom line is here We just don't have any answers as to when the full strength of the Texas electrical system will be back up and running so that millions of people don't have to spend another night in the dangerous cold once again.

Ed Lavandera, CNN Dallas, Texas 12th Trivia.

Where would you find the largest known impact crater on Earth?

South Africa, Siberia, Antarctica or Mexico?

South Africa's Rita four Crater is the world's largest known impact crater.

An impact crater, as the name suggests, is formed when something like an asteroid crashes into something else.

Like Earth.

This more recent phenomenon was not caused by an impact, but it is one of 17 craters that have mysteriously appeared in the Russian Arctic since 2013.

Scientists don't know for sure how this happened.

They do know the holes about 100 ft deep.

Picture three city bus is measured end to end, and after it was discovered last summer, they flew a drone inside the crater to capture dozens of images from which they built a three dimensional model that helped researchers to hypothesize this methane gas somehow accumulates in the permafrost of Siberia.

They're not sure whether the gas comes from deep inside the earth or near its surface.

But they believe that as the methane builds in a cavity of the ice, it forms a mound, and that mound grows until it finally explodes, blasting ice and other debris and leaving behind the crater.

Scientists are using computer technology to try to predict where this will happen.

Next, thes craters appear in sparsely populated areas.

They're usually discovered on accident by reindeer herders or during helicopter flights of the area.

The world's oceans are also vastly mysterious places.

According to National Geographic, more than 4/5 of the sea has never been mapped in detail, and scientists have gathered more data about the surface of Mars than they have the depths of our own blue marble.

But this is what oceanographer strive for to not only learn about the waters covering the Earth, but to share that knowledge with others.

And a non profit company is using virtual reality to do just that.

Here's how it brings people a three D view of the deep blue sea.

Once you break through the surface of the ocean, it really opens up for you.

You will see so much life It's colorful.

It has so much movements, it feels like a transition into another world.

My name is Erica Woolsey, and I'm a marine biologist with a specialty in coral reef ecology.

I'm also editor of the Hydra s, a nonprofit devoted toe ocean understanding.

We want to promote ocean connection so that what we know about our ocean can turn into what we do to protect it.

Yeah, Not everyone can access the ocean.

I want to find ways to bring the ocean to everyone because the ocean is just too good not to share.

Yeah, the technologies that we use include virtual reality that can recreate what it's like to be underwater.

Has anyone found the turtle through RVR Film Immerse.

We've taken nearly one million people, virtually diving since June of 2020.

Since the pandemic, we're taking even more.

People virtually died.

Sometimes the people that are divers and really miss what the coral reefs used to look like.

Sometimes people who have never been to the ocean and think it's scary.

But that experience makes them wonder if they can try in order to collect this incredible 3 60 footage that makes you feel like you're diving, we use a very specialized camera, and it is basically 13 mounted cameras in an underwater housing.

When we stitch this footage together, we can create this 160 effect where you can look in all directions.

Right now, we're not only disconnected from our ocean, but also each other.

So these virtual dives are wonderful tool to connect us more to our natural environments.

Yeah, no matter how far away from the ocean you live, you rely on the ocean.

So much of our food, most of the oxygen that we breathe, comes from the ocean.

Having this experience even virtually, can make you feel a lot more connected.

Wherever you are.

You can put on a VR headset and feel like you're diving, because it's that human connection to these beautiful and often inaccessible places that lead to positive change.

Tips for setting a new Guinness World record, take a look at the old record and then build something 91% bigger.

That's what the makers of this snow maze did in Manitoba, Canada.

Their latest creation covers about 240,000 square feet.

That's a larger amount of space than four football fields They started building it in mid December and just opened on Valentine's Day, and they plan to keep it open through March, weather permitting until they know which path to take.

Some may feel like the walls are closing in.

There are a labyrinth of possibilities, and wrong choices can lead to dead ends.

But it's something built for both amazement and amusement.

Finding the quickest way to the exit is kind of the whole point, because, after all, making your way through a maze is a rite of passage is up Carla's.

There's wanna give a shout out to our viewers in the Netherlands today we heard from the American School of the Hague.

It's great to have you watching, and we hope everyone watching has a great rest of your Thursday.