toxin
Butterflies Weaponize Milkweed Toxins
Butterflies Weaponize Milkweed Toxins
Geoffrey Giller | Nov 4, 2015
Monarch and queen caterpillars store toxic compounds from their milkweed diet to ward off predators into adulthood, a new study suggests.
Silence of the Lambs
Silence of the Lambs
Kerry Grens | Aug 1, 2015
A die-off of newborn lambs in Australia leads to the discovery of a new toxin and clues to a devastating liver disease in children.
Mysterious Blockage
Mysterious Blockage
The Scientist Staff | Aug 1, 2015
Learn more about biliary atresia, a disease that inflicts newborn babies and young lambs whose mothers eat poisonous plants.
Adapting to Arsenic
Adapting to Arsenic
Ashley P. Taylor | Jun 1, 2015
Andean communities may have evolved the ability to metabolize arsenic, a trait that could be the first documented example of a toxic substance acting as an agent of natural selection in humans.
Bees Drawn to Pesticides
Bees Drawn to Pesticides
Kerry Grens | Apr 24, 2015
One study shows the insects prefer food laced with pesticides, while another adds to the evidence that the chemicals are harmful to some pollinators.
Illegal Animal Meds Persist in India
Illegal Animal Meds Persist in India
Kerry Grens | Oct 13, 2014
Use of a veterinary painkiller, banned in several countries because of its lethal effects on scavenging birds, has declined, but cow carcasses still test positive.
More Skeletons in Gov’t Lab Closets
More Skeletons in Gov’t Lab Closets
Kerry Grens | Sep 9, 2014
A search for long-forgotten pathogens at the US National Institutes of Health prompts the discovery of toxins and disease-causing agents.
Gut Microbes Detoxify Rat Diets
Gut Microbes Detoxify Rat Diets
Jyoti Madhusoodanan | Jul 23, 2014
Foregut microbes in Mojave Desert rats help the animals metabolize creosote toxins.
Kawasaki Disease a Wind-borne Malady
Kawasaki Disease a Wind-borne Malady
Rina Shaikh-Lesko | May 21, 2014
Cases of the debilitating childhood disease in Japan are likely caused by toxins that float in from China’s farmlands, a study finds.
Sea Otter’s Scourge
Sea Otter’s Scourge
Nsikan Akpan | May 1, 2014
A hidden toxin stalks marine mammals off the coast of California and kills dogs and cats farther inland.