What do water fleas reveal about how well a body of water is doing? A scientist from Indonesia is studying the tiny creatures in Lake Constance and observing how they adapt to their environment – meaning also to human influence.

Tomorrow Today: The Science Magazine

Researching water fleas

The Tomorrow Today question of the week comes from Brown Mbadiwe from Owerri, Nigeria.

How do fish see in the water?

One million plastic bottles are sold worldwide every minute. The vast majority of them are not recycled. So what happens to the packaging after we’ve finished a drink? And how can we change that?

What happens to a plastic bottle? 

In 2004, Wangari Maathai became the first environmentalist to win the Nobel Peace Prize. The woman who launched the Green Belt Movement was convinced of the value of planting trees to conserve the environment and secure people's livelihoods.

Wangari Maathai: Queen of Trees

Astronaut Samantha Cristoforetti will embark on her second trip to the International Space Station for the European Space Agency in 2022. She tells us what she loves about her work and what is most challenging about it.

Astronaut Samantha Cristoforetti finds her dream job

Our viewer’s question this week was posted by David Burgos from Colombia: Did some animal species survive the dinosaur era?

Which animals survived the dinosaur era?

This week's question for Tomorrow Today is from Travor Daniel in Nigeria: Does too much social media cause depression?

Just Ask!

Our viewer Gik Khing Nüchter in Indonesia wants to know if there are Polar Lights in the southern hemisphere too.

Our viewer question this week comes from Tabea Conrad in Berlin. She wants to know why people stop growing when they become adults?

Just ask!

Our viewer question this week comes from Mohamed Ehab Ragab in Egypt. He wants to know what impact climate change has on animals.

Animals affected by climate change?

This week's viewer question comes from Brown Mbadiwe in Oweri, Nigeria. He wants to know how fish see in water.

Just ask! How do fish see in water?

COVID-19 tests can be expensive and time-consuming. To get an up-to-date picture of how the coronavirus has spread throughout the population, Rwanda regularly tests a cross-section of the population using a strategy called pool testing.

Pool testing – a new strategy

This week's viewer question was sent in by Arnulfo Quintanilla from El Salvador.

What causes ocean currents?

Dive in to the fascinating world of science with Tomorrow Today. Your weekly dose of science knowledge. A show for everyone who's curious -- about our cosmos and how it works.

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Tomorrow Today: The Science Magazine

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