Imagine a small, developing nation whose education system is severely lacking: schools are poorly funded, students can't afford tuition or books, fewer than half of indigenous girls even attend school — and often drop out to take care of siblings or get married.

These are the schools of rural Guatemala.

Now meet a firebrand educator who thinks he has a way to reinvent schools in Guatemala.

His school is called Los Patojos, a Spanish word used in Guatemala that means "little ones."

Passwords that took seconds to guess, or were never changed from their factory settings. Cyber vulnerabilities that were known, but never fixed. Those are two common problems plaguing some of the Department of Defense's newest weapons systems, according to the Government Accountability Office.

The flaws are highlighted in a new GAO report, which found the Pentagon is "just beginning to grapple" with the scale of vulnerabilities in its weapons systems.

A Romanian man was briefly detained on Tuesday in connection with Saturday's high-profile rape and killing of Bulgarian journalist Viktoria Marinova, but after questioning, a Bulgarian official said the unidentified man would be released without charge.

Marinova's beaten and strangled body was found in the bushes by the banks of the Danube River in the northern Bulgarian city of Ruse, police said.

If you're a first-time mother and you opt for epidural anesthesia during labor, your doctor may suggest you wait about an hour after your cervix is completely dilated before you start trying to push the baby down the birth canal.

But a study published Tuesday in JAMA, the flagship journal of the American Medical Association, suggests that might not be the best advice.

Google plans to shutter its Google+ social network for consumers, citing its limited adoption with users. The tech giant announced the decision at the same time that it disclosed that the privacy of up to a half-million Google+ accounts could have been affected by a "bug."

The company says it discovered and patched the issue in March but decided not to disclose it immediately. It said it had no evidence that any third-party developer was aware of the bug or had misused profile data.

R. Kelly's ex-wife, Andrea Kelly, has now accused the R&B singer of multiple incidents of physical abuse. The woman, who was married to R. Kelly from 1996 to 2009, made her allegations on an episode of the ABC talk show The View last Thursday.