The 2024 YR4 asteroid may come close to Earth, but how do experts calculate this potential impact?

This is a preview. Log in through your library . Abstract We compared the time-of-detection and logistic regression methods of estimating probability of detection for northern bobwhite (Colinus ...

The problem of estimating the variance of the ratio estimator in sampling with probability proportional to aggregate size is investigated. The form of nonnegative unbiased variance estimators is found ...

Even small probabilities of infection for individuals compound to large probabilities for a large number of people. Carnival needs low risk passengers and screening to be near 100% effective to reduce ...

(MENAFN- The Conversation) Here is a depressing fact: over the coming decades, sea-level rise will continue to threaten ecosystems, communities and cities. No matter how quickly we reduce our carbon ...