From bacterial invisibility cloaks to unexpected dinosaur colors, Horizon uncovered some fascinating facts in 2019. Here are our 12 favourites.
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In our continuing search for other life in the universe, one place has always looked promising – Mars. It is a rocky planet like Earth, orbiting the same star, and at a distance where water could have been present on the planet.
The fact that teenagers worry isn’t necessarily a concern – it’s when the adolescent brain amplifies and distorts a simple worry that mental health problems can arise. As scientists aim to unlock why teenagers get anxious, and how infancy and upbringing are implicated, early intervention strategies are being refined to redirect harmful thoughts and teach adolescents to read the emotions of others – a crucial way to keep their own distressing feelings in check.
Moving more goods by water could reduce pressure on roads and cut emissions, yet Europe’s shipping industry is held back by labour shortages. Automated shipping – which would work in a similar way to self-driving cars – could help expand capacity but safety and regulatory hurdles remain.
We’re only at the start of the coronavirus pandemic although the second wave may take a different form to the first one, says veteran virologist Professor Peter Piot, who has spent the past 40 years tracking down and fighting viruses.
The red planet may be our best bet for finding out whether we’re alone in the universe.
Reducing crew numbers onboard ships could overcome labour shortages and increase shipping levels.
Metagenomics can help us spot emerging diseases such as coronavirus, says virologist Marion Koopmans.