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An international research collaboration, involving scientists from the UK, US and Spain, has shed new light on the usefulness of digital contact tracing (DCT) to control the spread of Covid-19.
The study, published today in
Nature Communications, assessed the effectiveness of the Spanish DCT app, Radar COVID, following a 4-week experiment conducted in the Canary Islands, Spain between June-July 2020.
For the experiment, funded by the Secretary of State of Digitalisation and Artificial Intelligence (SEDIA), the researchers simulated a series of Covid infections in the capital of La Gomera, San Sebastián de la Gomera, to understand whether the Radar COVID app technology could work in a real-world environment to contain a Covid-19 outbreak.
New research from Queen Mary University of London and the University of Maryland, has reignited the debate around the behaviour of the giant dinosaur Spinosaurus.
Was This Dinosaur More Subaquatic Killer or Giant Wading Bird?
A new study challenges the hypothesis that spinosaurus pursued its prey in the currents of prehistoric rivers.
A life reconstruction of spinosaurus foraging in water.Credit.Bob Nicholls
By Asher Elbein
Jan. 26, 2021
Ninety-nine million years ago, a 55-foot dinosaur stalked the river deltas of North Africa. A sail on its back towered over the water as its crocodile-like jaws and curved claws made short work of car-size fish.
This was Spinosaurus, discovered in 1915. Paleontologists have since debated how this creature lived. Did it prowl through currents in pursuit of prey, as recent research has suggested, or seek its quarry in the shallows more like an enormous wading bird? New evidence for this second explanation was published Tuesday in Palaeontologia Electronica, challenging a hypothesis that scientists had found a dinosaur that lived a primarily aquatic lifestyle.
Giant carnivorous dinosaur Spinosaurus snatched fish from the shoreline while also hunting for small prey on land, according to a new study into its behaviour.
Previous theories suggested the 49ft beast that lived 100 million years ago was a largely aquatic predator that used its long tail to swim and pursue fish in the water.
The new study by Queen Mary University of London - based on analysis of other dinosaurs and lizards that lived on land or sea - found little evidence to support the idea of the massive dinosaur as an aquatic predator.
They found it wasn t well adapted to the life aquatic and was more like a giant heron or stork stalking the shoreline for fish and small land prey animals.