Browsing Tag
the conversation
1200 posts
Are the northern lights caused by ‘particles from the Sun’? Not exactly
PhotoVisions/Shutterstock Alexander MacKinnon, University of Glasgow What a spectacle a big aurora is, its shimmering curtains and colourful…
Polar bears eating reindeer: normal behaviour or result of climate change?
Alexey Seafarer/shutterstock Henry Anderson-Elliott, University of Cambridge Recently, scientists in Hornsund, Svalbard – a Norwegian archipelago in the…
Whether caribou migrate or stay put is determined by genes that evolved in the last ice age
Human activities are affecting the migratory behaviours of some caribou populations. (Mark Bradley/Parks Canada), Author provided Maria Cavedon,…
How is snowfall measured? A meteorologist explains how volunteers tally up winter storms
Strict rules guide the official count for how much solid precipitation fell. Photos by Vesuviante/Moment via Getty Images…
Snowfall in the Sahara desert: an unusual weather phenomenon
Snowfall in the Sahara desert. derdour rachid/Shutterstock Jasper Knight, University of the Witwatersrand Snowfall in a hot desert…
Snow can spread and worsen the effects of pollutants in the environment
Snow’s physical properties mean that it can accumulate chemicals from the environment, including nanoparticles from car exhaust. (Shutterstock)…
Olympic skiers and snowboarders are competing on 100% fake snow – the science of how it’s made and how it affects performance
Snowmaking machines blow cold water, which freezes before it hits the ground. Alexander Uhrin/iStock via Getty Images Peter…
My work investigating the links between viruses and Alzheimer’s disease was dismissed for years – but now the evidence is building
Shutterstock/Jorm S Ruth Itzhaki, University of Oxford This article is part of the Insights Uncharted Brain series. There…
Astronomers witness the dying flare of a star torn apart by a black hole halfway across the Universe
An unlucky star is torn apart by the strong gravity of a black hole, leading to the launching…
The days of the hydrogen car are already over
Tom Stacey, Anglia Ruskin University and Chris Ivory, Anglia Ruskin University Hydrogen fuel cell cars emerged as an…