Corryn Wetzel
New Scientist
New York, United States
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Past articles by Corryn:
Brown widow spiders are killing off black widows in the southern US
Black widow spiders are waning in the southern US and brown widows may be the culprit – in lab tests, they were more than six times as likely to kill southern black widows than other arachnids they were offered → Read More
Flight Paths review: Why understanding migration may save bird species
Solving the mysteries of bird migration with technology not only unlocks unexpected secrets but is crucial to conservation efforts, says Rebecca Heisman in her fascinating first book → Read More
Giant insect thought extinct in eastern US found in a Walmart
A giant lacewing found clinging to the exterior of a supermarket is the first time in 50 years the species been spotted in the eastern half of the US → Read More
Island-hopping cougars swim kilometres through icy water off US coast
Researchers were surprised when a young male cougar living in Washington state swam to a nearby island. They now suspect other local cougars are doing the same → Read More
Why are so many whales getting stranded on US beaches?
Nearly two dozen whales have been beached on the US Atlantic coast in the past three months – some were struck by boats while others may have been caught by changing ocean currents related to climate change → Read More
Bark beetles use the smell of fungus to pick the best trees to infest
Trees with fungal infections produce odours that attract bark beetles, which burrow into the bark and can devastate entire forests → Read More
Plants are spreading up mountains faster than thought in North America
From Mexico to Canada, mountain plants are moving upslope to cooler elevations. In some mountain ranges, the upward climb is as fast as 112 metres per decade → Read More
Ohio train derailment: What we know about the toxic chemical spill
A train derailed and caught fire in eastern Ohio, releasing hazardous chemicals into the air, soil and water – and raising concerns about health effects for residents → Read More
Monk parakeets have unique ‘voices’ that may identify friends and foes
A small parrot species is the first bird known to have multiple vocalisations that are unique to specific individuals, similar to humans → Read More
Reports of Bigfoot rise when at least 900 black bears are in the area
Where black bears are abundant, Bigfoot sightings usually follow – which could make reports of the mythical creature a way to measure American black bear populations → Read More
Dogs can tell when you want to give them a treat – even if you don’t
Pet dogs respond more patiently when humans clumsily drop a treat out of reach than when it is intentionally pulled away, suggesting canines can understand human intentions → Read More
Dolphins spotted swimming in New York City’s Bronx River
Once an industrial waste dumpsite, the Bronx River is now healthy enough to host marine species – including dolphins – that it hasn’t seen in years → Read More
Marine heatwaves could wipe out all common sea stars by 2100
Simulations of ocean warming show that future marine heatwaves that last more than 13 days would kill off all of the world's common sea stars → Read More
Marine heat waves could wipe out all common sea stars by 2100
Simulations of ocean warming show that future marine heat waves that last more than 13 days would kill off all of the world's common sea stars → Read More
Small and speedy animals perceive time faster than big, slow creatures
A comparison of 138 species finds that dragonflies perceive changes in their environment five times faster than humans and 400 times faster than starfish → Read More
Scientists finally found the clitoris on snakes – and there are two
Researchers found the first evidence of a two-part sexual organ called a hemiclitoris in all nine species of female snakes they examined → Read More
Ancient yeast used to brew the first lagers discovered in Ireland
Lager originated in Europe but the wild yeast species that gives the beer its tang hasn’t been found on the continent until now – it was lurking in the soil at an Irish university → Read More
Adélie penguins show signs of self-awareness on the mirror test
When shown their reflection, wild Adélie penguins can tell it isn't another penguin – but they may not fully connect their mirror image to themselves → Read More
Mexico’s latest plan to save endangered vaquitas could backfire
Hundreds of cement pillars with hooks have been deployed in the Gulf of California to snag fishing nets that threaten endangered porpoises, but these could also trap sea life and pollute the waters → Read More
Electric pulses drastically cut number of sharks caught by accident
The first trial of the ‘SharkGuard’ technology reduced the bycatch of blue sharks and pelagic rays by as much as 91 per cent, but didn't impact the tuna that fishers were targeting → Read More