26/01/2017 Newsround

Good morning!

I'm Jenny, first this Thursday.

The UK's Prime Minister, Theresa May, is travelling

to America today to meet Donald Trump.

She'll be the first World Leader to meet the new US President.

Meanwhile, in his first TV interview since becoming President,

Mr Trump repeated his plans to build a wall on the border with Mexico,

that he says Mexico will have to pay for.

But the Mexican President has said his country definitely

will not pay for the wall.

Did you know that right now, across the country,

there are hundreds of thousands of children who are looking

after a parent, brother or sister?

These children are called young carers, and while many of them

are happy looking after a disabled, or sick, relative, they also

face many difficulties, as I've been finding out.

Hi, I'm Morgan and I'm a young carer.

I walk the dog, I load the dishwasher and I help out

with jobs around the house.

Now I'm cooking dinner.

Morgan's mum has condition which causes her muscles to be painful.

It means she gets tired very easily and can't stand or walk for long.

What do you think are the best bits about being a young carer?

It's good because to put a smile on someone's faces gives me joy.

Because not only am I doing something to help someone,

at least they don't have to do it another time.

There are lots of children like Morgan in the UK.

It's thought around 700,000 young people are caring

for a family member.

A new survey by the Carers' Trust charity found it's difficult

for some young carers to achieve what they want to in

school and in later life.

One of the reasons is because they have to spend time

looking after the person they're caring for.

Do you ever feel like you're missing out?

My mum does get tired a lot and there are some times where,

if we plan to do something and then by the end of the day,

she's got too tired, we have to cancel it.

But my mum always tries to get me there.

99% of the time I do, sometimes it's hard because I've got

a lot of stuff to do.

Do you ever worry about the future, and that you might have

to look after your mum?

Yeah, I do, because sometimes I wonder if I will get good grades

because people are saying practice makes perfect, the way you revise,

and I don't want to sort of drop out, I want to have good grades

in the future.

What advice do you have for other young carers

who are having a tough time?

If you do have a worry, don't keep it in, and if you are

finding things hard, you should ask for help

because you should not have to deal with it alone.

Go to your teacher or whoever you're caring for and say,

can you help me with this because it's getting

a bit too much for me.

There's more about young carers online, including animations of some

other children's stories.

That's also where you can get help and advice if anything

in the news worries you.

Orcas, or killer whales, have fascinated scientists

for a long time, and now researchers in the US say that they could help

us learn more about ourselves.

The BBC's Victoria Gill has been finding out how.

Killer whales, also known as orcas.

They're the magnificent mammals of the sea, known

for their intelligence and close family bonds.

Researchers here on San Juan Island in the USA have been studying

the lives of orcas for the past 40 years, and what they found

could help to explain something that orcas and humans have in common.

Just like humans, orcas stop having babies partway through their lives,

and it makes us different because nearly all other mammals

carry on reproducing until they die.

Scientists have long wondered why it is we evolved like this,

and by recording the births and deaths in every orca family

here, the researchers found that there is a very important role

for female orcas after they stop having babies.

They become grannies.

Leading the pod and helping their family to survive makes granny

orcas very important.

It's tough for babies surviving and feeding themselves

in the world and there's lots of competition within families.

This study shows that once grandmother orcas have stopped

having their own babies, there is less competition

and conflict and grandmothers can put their time and effort

into helping the rest of the family to find food.

This could even help explain why we humans evolved to keep living

long after having babies.

And it backs up what lots of you might already think,

grannies are pretty important.

That's all from us for now, Newsround's back right

here at 8.15am with more of the day's top stories.

Don't forget to go online for much more, including our

fantastic quiz of the week.