Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests

6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.

6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.

toxicity
Undone Proteins Take Out Bladder Cancer
Undone Proteins Take Out Bladder Cancer
Roni Dengler, PhD | Jul 20, 2021
An unfolded protein found in human milk shows promise in early clinical trials to treat bladder cancer.
Disturbed Microbes Contribute to Lung Damage from Oxygen Treatment
Disturbed Microbes Contribute to Lung Damage from Oxygen Treatment
Ruth Williams | Aug 12, 2020
In humans, higher oxygen levels during ventilation are tied to an altered bacterial composition in the lungs, and mouse experiments show a causative link.
Activities Discovered for Some Inactive Drug Ingredients
Activities Discovered for Some Inactive Drug Ingredients
Ruth Williams | Jul 23, 2020
Screens of hundreds of drug excipients reveal that some can interact with biological targets, contradicting their FDA categorization as inert.
Infant Monkeys Died in Accidental Poisoning at UC Davis Lab
Infant Monkeys Died in Accidental Poisoning at UC Davis Lab
Catherine Offord | Jun 18, 2019
The seven primates came into contact with a dye that was used on their mothers, documents reveal.
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Thomas Hartung | May 1, 2019
Machine learning could be the key to reducing the use of animals in experiments.
Humane Society Successfully Campaigns to End Pesticide Test on Dogs
Humane Society Successfully Campaigns to End Pesticide Test on Dogs
Shawna Williams | Apr 8, 2019
After the release of an undercover investigation, Corteva Agrisciences announces it will release 36 beagles for rehoming.
Mopping Up Excess Chemotherapy Drugs
Mopping Up Excess Chemotherapy Drugs
Ruth Williams | Apr 1, 2019
A prototype in-vein device would collect toxic medications before they reach healthy tissues.
Infographic: Medication Mop-Up
Infographic: Medication Mop-Up
Ruth Williams | Apr 1, 2019
Researchers have developed a prototype device to filter excess chemotherapy medication from the bloodstream.
Industry-Funded Pesticide Data Problematic, Study Shows
Industry-Funded Pesticide Data Problematic, Study Shows
Anna Azvolinsky | Nov 27, 2018
Scrutinizing a company’s study on a widely used pesticide, chlorpyrifos, academic researchers find shortcomings in analyses and public disclosures of results.
US EPA’s Chemical Assessment Guide Creates Contention
US EPA’s Chemical Assessment Guide Creates Contention
Sukanya Charuchandra | Aug 16, 2018
Scientists and advocacy groups criticize new guidelines that could exclude some academic studies during toxicity reviews.
Software-Based Chemical Screen Could Minimize Animal Testing
Software-Based Chemical Screen Could Minimize Animal Testing
Anna Azvolinsky | Jul 13, 2018
Researchers develop a machine-learning tool for toxicity analyses that is more consistent in predicting chemical hazards than assays on animals.
How Toxic is the World’s Most Popular Herbicide Roundup?
How Toxic is the World’s Most Popular Herbicide Roundup?
Katarina Zimmer | Feb 6, 2018
Glyphosate, the active ingredient in Roundup, is designed to be toxic to plants, but scientists observe some untoward effects on animals in the lab. 
Animal-Free Toxicity Testing
Animal-Free Toxicity Testing
Anna Azvolinsky | Jan 26, 2016
Scientists debut a system that can quickly test the toxicity of thousands of compounds in vitro.
BBC Cameras Capture Dolphin High?
BBC Cameras Capture Dolphin High?
Jef Akst | Jan 2, 2014
A new, two-part TV series to be aired on BBC1 includes video of dolphins playing with toxic puffer fish—possibly to get intoxicated.
Next Generation: Cancer Drug in Disguise
Next Generation: Cancer Drug in Disguise
Kate Yandell | Nov 5, 2013
Researchers develop a strategy for rendering a toxic drug harmless—until it encounters a pair of enzymes that signals cancer cells are nearby.
Opinion: Toxicants and the Brain
Opinion: Toxicants and the Brain
Philippe Grandjean | Jun 17, 2013
Investment in brain research should aim at protecting the brains of the future from harmful environmental pollutants.
BRET Meets FRET
BRET Meets FRET
Ruth Williams | May 1, 2013
Scientists create biocompatible, self-luminescing nanoparticles for in vivo imaging.
Popular Pesticides May Hurt Birds
Popular Pesticides May Hurt Birds
Kate Yandell | Apr 16, 2013
A new report says that neonicotinoids are poisonous to some birds at lower concentrations than previously indicated.
Stemming the Toxic Tide
Kelly Rae Chi | Sep 1, 2012
How to screen for toxicity using stem cells