The number of parasitic worms in ocean fish has increased as much as 90-fold. Some fish parasites are on the rise, bringing with them risks to human health and fisheries-based economies. Now researchers have a new way to track their numbers—by digging into old records and museum samples. Read more in Hakai.
parasites
Explosive road rage-like anger linked to parasite spread by cats
There are many ways your cat might be filling you with rage. Scratching your furniture, sitting on your computer keyboard – or giving you parasites that may cause explosive anger. Infection with Toxoplasma gondii, a protozoan parasite carried by cats, has been linked to a human psychiatric condition called intermittent explosive disorder. Read more in New Scientist.