For those who eagerly trace their genetic lineage or subscribe online to find their earliest ancestors, there's a new group to consider adding to the furthest reaches of your list. A previously unrecognized population of ancient north Eurasians may be a major third braid in the genetic twist that gave rise to most modern Europeans and their kin.
Originally published on Wed September 17, 2014 5:17 pm
Now, we wait.
The window for the public to weigh in on how federal rule-makers should treat Internet traffic is closed, after a record 3.7 million comments arrived at the FCC. The Sunlight Foundation analyzed the first 800,000 and found that fewer than 1 percent were opposed to net neutrality enforcement.
Colorado's new campaign to deter teen marijuana use tries to make the case that weed is bad for your brain.
One TV ad shows a group of teens lighting up inside a dark car as moody music plays in the background. The commercial cites a Duke University study that found a link between regular marijuana use and a lower IQ.
Originally published on Wed September 17, 2014 10:26 am
The cost of solar panels is falling rapidly in the United States. And as the panels become more affordable, they're popping up on rooftops around the country.
Meanwhile, the U.S. is trying to find better ways to back up its power system against blackouts. And while it may seem counterintuitive, more solar power does not mean fewer blackouts — at least not yet.
The tiny town of Del Norte, in southwestern Colorado, is a perfect example. Despite being covered in solar panels, Del Norte is still at risk of losing power if its main power line goes down.
Originally published on Wed September 17, 2014 10:53 am
Many U.S. scientists had hoped to ride out the steady decline in federal funding for biomedical research, but it's continuing on a downward trend with no end in sight. So leaders of the science establishment are now trying to figure out how to fix this broken system.
It's a familiar problem. Biomedical science has a long history of funding ups and downs, and, in the past, the system has always righted itself with the passage of time and plumper budgets.
Originally published on Tue September 16, 2014 6:29 pm
NASA has chosen Boeing and SpaceX to build the vehicles that will transport its astronauts to the International Space Station, putting the two American companies on a course to take over a job that NASA has recently relied upon Russia to perform: carrying out manned space flights.
NASA Administrator Charles Bolden says vehicles from the two companies are expected to be ready for service by 2017.
Announcing its decision Tuesday, the space agency included these details: