829,918 articles

Hubble unmasks ghost galaxies

Astronomers are studying some of the smallest and faintest galaxies in our cosmic neighborhood. These galaxies are fossils of the early Universe: They have barely changed for 13 billion years. The discovery could help explain the so-called "missing satellite" problem, where only a handful of satellite galaxies have been found around the Milky Way, against the thousands that are predicted by...

Waste to watts: Improving microbial fuel cells

Some of the planet's tiniest inhabitants may help address two of society's biggest environmental challenges: How to deal with the vast quantities of organic waste produced and where to find clean, renewable energy. Anode respiring bacteria generate useful energy in a device known as a microbial fuel...

Dangerous caregivers for elderly: Agencies place unqualified, possibly criminal caregivers in homes of vulnerable seniors, study suggests

A troubling new U.S. national study finds many agencies place potentially dangerous and vastly unqualified caregivers in the homes of vulnerable elderly people. The study found many agencies recruit random strangers off Craigslist and place them in the home of elderly people with dementia, don't do national criminal background checks or drug testing, lie about testing the qualifications of...

Searching genomic data faster: Biologists' capacity for generating genomic data is increasing more rapidly than computing power

In 2001, the Human Genome Project and Celera Genomics announced that after 10 years of work at a cost of some $400 million, they had completed a draft sequence of the human genome. Today, sequencing a human genome is something that a single researcher can do in a couple of weeks for less than $10,000. Since 2002, the rate at which genomes can be sequenced has been doubling every four months or so,...

GoalRef: FIFA approves intelligent goal

Goal or no goal? In response to this question, world soccer association FIFA wants to use technical assistance in the future. The body which determines the laws of the game, approved both goal-line technologies GoalRef and Hawk-Eye.

Baby Boomers' Mental Health Faces Crisis, Report Says

As the baby boom generation ages, millions of people will face mental health and substance abuse problems that will go undiagnosed or untreated unless there are significant changes to the current health care system, a new report says.