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CORONA: What is herd immunity?
In the United Kingdom, people wanted to fight corona through "herd immunity": as soon as enough people are infected, no one would get sick, even those who had not yet been infected. But how exactly does that work? So why did they get rid of it in …
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If covid-19 is a seasonal disease, where does that virus go during the summer?
Every now and then you hear that the COVID-19 will go away on its own as it gets warmer. But will return again in the fall. But... where is that virus during the summer? Marc Van Ranst reveals where the summer residence of COVID-19 is.
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What is the difference between a drug and a vaccine against corona?
There is a lot of talk about a vaccine against corona. But why do we hear so little about a drug against the virus? And what's the difference then? You hear that here, from virologist Marc Van Ranst.
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How is corona different from the flu?
COVID-19 is a virus, a coronavirus. You can also catch a cold from another type of coronavirus. The flu is also caused by a virus. But, what's the difference between the two? An expert explanation by virologist Marc Van Ranst.
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Why does it take so long to have a vaccine against corona ready?
On December 31, 2019, COVID-19 was first recognized as a new virus. Meanwhile we are months further, 1000's people have already died and there is still no vaccine. Vaccinologist Pierre Van Damme explains why it takes so long.
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Why don't all cars run on hydrogen yet?
Hydrogen is very light, odorless and non-toxic. In addition, it is an excellent energy carrier, a kind of battery that does not pollute. Why aren't all cars running on hydrogen yet? Chemical engineer Tom Breugelmans (UAntwerp) explains how …
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CORONA: Does the lockdown make sense?
We've all been inside for weeks now. And yet you hear that actually 70% of people will get corona. Does it really make sense to be inside? Do you want to view our entire series about corona? Then subscribe to our YouTube channel!
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Corona: Why is it so hard to say how long a virus lives?
What is the chance that we will contract corona on the street and do I have to wash my hands all the time at home? Why is it so hard to say how long the virus will stay in one place? Pierre Van Damme provides the answer.
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Do we really have a shortage of groundwater?
We have a problem in Belgium (and certainly in Flanders): there is too little water in our soil. Out of 164 countries, Belgium ranks 23rd in the "high water scarcity" category. Yes, even now, after months of rain! “How in God's name is that …
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Will we all say 'the girl' and 'shtijl'?
Saying something is "really cool" immediately betrays that you're not so hip anymore. And 'hip' actually. Nowadays you have to say that something is 'dirty shtijl'. What does that mean and will we all be talking like that later? That's what …
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Will Belgium soon be at the North Pole?
With global warming, we may soon hope that Belgium was at the North Pole, so we don't burn alive when we come out. Is that actually possible? Can Belgium ever lie at the North Pole? We asked David Van Rooij, marine geologist at Ghent University, …
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Do we still need to save endangered species?
Some species of rhinoceros can still be counted on one hand, pandas don't seem to be able to survive without us... Isn't the extinction of species just part of nature? And do we still need to save endangered species? Evolutionary ecologist Erik …
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