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Rocket rumbles give volcanic insights

Rocket rumbles give volcanic insights

Image caption An “upside down volcano” (L) and an “upside down rocket” (R) What do volcanoes and rockets have in common? “Volcanoes have a nozzle aimed at the sky, and rockets have a nozzle aimed at the ground,” explains Steve McNutt, a geosciences professor at the University of South Florida in Tampa. It explains why […]

Heinz Wolff, Great Egg Race presenter and scientist, dies

Heinz Wolff, Great Egg Race presenter and scientist, dies

Media captionHeinz Wolff’s show challenged scientists to create weird and wonderful gadgets Renowned scientist and TV presenter Heinz Wolff has died, aged 89. The German-born inventor and professor, famed for hosting BBC Two’s long-running science show The Great Egg Race, died of heart failure on 15 December, his family said. A former advisor to the […]

California fires: Sentinel satellite tracks wildfire smoke plume

California fires: Sentinel satellite tracks wildfire smoke plume

Image copyright COPERNICUS SENTINEL DATA (2017) – KNMI/ESA Image caption The smoke plume heads out over the ocean and then turns north Europe’s new Sentinel-5P satellite has captured a dramatic image of the smoke billowing away from the devastating California wildfires. It is a powerful demonstration of 5P’s ability to sense the atmosphere. The plume […]

Star system has record eight exoplanets

Star system has record eight exoplanets

Image copyright NASA Image caption Artwork: the Kepler-90 system is the first to tie with our Solar System in number of planets Nasa has found a distant star circled by eight planets, equal to the complement in our own Solar System. It’s the largest number of worlds ever discovered in a planetary system outside our […]

Neonicotinoids at ‘chronic levels’ in UK rivers, study finds

Neonicotinoids at ‘chronic levels’ in UK rivers, study finds

Image copyright Geograph/Adrian Cable Image caption River Waveney’s pollution limit was exceeded for a whole month, the report said Rivers across the country are “chronically polluted” with pesticides believed to pose a threat to bee populations, a report has found. The River Waveney on the Norfolk/Suffolk border was found to have the highest levels of […]

How Greenland would look without its ice sheet

How Greenland would look without its ice sheet

Media captionThe map reveals a hidden world of mountains and canyons Scientists have produced a stunning visualisation of Greenland – without its ice cover. It is made from decades of survey data that show the position and shape of the territory’s bedrock, and the surrounding seafloor. This is critical information needed to understand how the […]

Hurricane Harvey rainfall ‘weighed 127bn tonnes’

Hurricane Harvey rainfall ‘weighed 127bn tonnes’

Media captionRoads turned to rivers across Houston as Harvey hit Scientists have weighed the water that fell on Texas during the record-breaking Hurricane Harvey in August. They calculate, by measuring how much the Earth was compressed, that the Category 4 storm dropped 127 billion tonnes, or 34 trillion US gallons. “One person asked me how […]

Sea reptile fossil gives clues to life in ancient oceans

Sea reptile fossil gives clues to life in ancient oceans

Image copyright Yasuhisa Nakajima Image caption Paleontologists Tanja Wintrich and Martin Sander examine the fossil A new fossil is shedding light on the murky past of the sea reptiles that swam at the time of the dinosaurs. With tiny heads on long necks and four pointed flippers, plesiosaurs have been likened to Scotland’s mythical Loch […]

Nasa’s New Horizons probe strikes distant gold

Nasa’s New Horizons probe strikes distant gold

Image copyright NASA Image caption Artwork: The moonlet may be about 200-300km from the main object The American space agency’s New Horizons mission has struck gold again. After its astonishing flyby of Pluto in 2015, scientists have just discovered that the probe’s next target is not one object but very likely two. Earth-based observations suggest […]

Dracula ticks in amber tell ancient blood-sucking tale

Dracula ticks in amber tell ancient blood-sucking tale

Image copyright NAture Communications/E Penalver Image caption The tick is stuck on to a dinosaur feather Feathered dinosaurs were covered in ticks just like modern animals, fossil evidence shows. Parasites similar to modern ticks have been found inside pieces of amber from Myanmar dating back 99 million years. One is entangled with a dinosaur feather, […]

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