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

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
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.
800x560-nov-23-2021
A Guide for High-Throughput Screens with Pluripotent Stem Cells
The Scientist Creative Services Team in collaboration with Miltenyi Biotec | Oct 29, 2021
Experts discuss reliable high-throughput workflows for PSC-derived cellular screens
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.
AI mice in labs
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.
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.
a beagle in a cage
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.
removing chemotheraphy 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.
removing chemotherapy drugs infographic
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
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
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
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?
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
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?
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
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
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
Ruth Williams | May 1, 2013
Scientists create biocompatible, self-luminescing nanoparticles for in vivo imaging.
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.