State says health risks from Cottonwood mine waste are 'minimal'

Cottonwood residents who live near an old mine waste heap are worrying about the black dust that can fill the air. Here's ...
ProPublica

The FDA Often Doesn’t Test Generic Drugs for Quality Concerns, So ProPublica Did

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. These highlights were written by the reporters and editors ...
GitHub

one-sample-t-test

A jamovi module to calculate Student's and Welch's t-test for independent samples as well as one-sample t-test (including related Cohen's d ) based on summary data (mean, standard deviation, and ...
BioProcess International

Power Estimation for Two One-Sided Tests Using Simulations in Nonspecialist Software

Equivalence tests often are used for demonstrating bioequivalence between two biopharmaceutical formulations, with the two one-sided test (TOST) being a common, regulator-accepted statistical method ...
The Washington Post

An abandoned test tube on Mars could hold the secret to life’s origins

Louis Friedman is co-founder and former executive director of the Planetary Society. The three big questions about life — What is life? How did life originate? Is there extraterrestrial life? (Are we ...
C&EN

Classification of Samples via Neural-Network Augmented Two-Dimensional Infrared Spectroscopy

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. The application of artificial neural network (ANN) techniques to spectroscopy has ...
Los Angeles Times

Faulty DNA test kits were used in thousands of L.A. County criminal cases, authorities say

In August, a manufacturer of DNA testing kits sent a letter to the Los Angeles County Sheriff’s Department warning officials to stop using certain test kits that had proved prone to giving incomplete ...
IEEE

Bayesian Two-Sample Hypothesis Testing Using the Uncertain Likelihood Ratio: Improving the Generalized Likelihood Ratio Test

Abstract: Two-sample hypothesis testing is a common practice in many fields of science, where the goal is to identify whether a set of observations and a set of training data are drawn from the same ...
IEEE

Two-sample test for comparing ambiguity in fuzzy data

Abstract: Various two-sample tests are used in statistics to verify whether two samples are drawn from the same populations against the general alternative that their distributions just differ.
SpaceNews

NASA to study two alternative architectures for Mars Sample Return

A photo montage showing sample tubes shortly after they were deposited onto the surface by NASA’s Perseverance Mars rover. Credit: NASA/JPL-CALTECH/MSSS ORLANDO, Fla. — NASA will spend the next year ...