My picks from ScienceDaily

Antisocial Behavior May Be Caused By Low Stress Hormone Levels:

A link between reduced levels of the 'stress hormone' cortisol and antisocial behaviour in male adolescents has been discovered by a research team at the University of Cambridge.

Gas From The Past Gives Scientists New Insights Into Climate And The Oceans:

In recent years, public discussion of climate change has included concerns that increased levels of carbon dioxide will contribute to global warming, which in turn may change the circulation in the earth's oceans, with potentially disastrous consequences.

Adolescent Insomnia Linked To Depression And Substance Abuse During Adolescence And Young Adulthood:

A study in the Oct. 1 issue of the journal Sleep shows that adolescent insomnia symptoms are associated with depression, suicide ideation and attempts, and the use of alcohol, cannabis and other drugs such as cocaine.

Should Companies With Unhealthy Products Be Regulated To Protect Health?:

Should businesses that sell products which are responsible for a huge numbers of deaths, illness and injury, such as tobacco and junk food, be held accountable and made to improve public health? Two experts debate the issue in the British Medical Journal.

Palliative Care Access Varies Widely In U.S., Study Says:

There has been rapid growth of new, innovative palliative care consultation services in the nation's hospitals. More than half of the 50-bed or larger hospitals in the U.S. offer palliative care services to ease pain and suffering for seriously ill patients and their families.

Bullying Of Teenagers Online Is Common, UCLA Psychologists Report:

Nearly three in four teenagers say they were bullied online at least once during a recent 12-month period, and only one in 10 reported such cyber-bullying to parents or other adults, according to a new study by UCLA psychologists.

Pterodactyl-inspired Robot To Master Air, Ground And Sea:

Scientists have reached back in time 115 million years to one of the most successful flying creatures in Earth's history, the pterodactyl, to conjure a robotic spy plane with next-generation capabilities.

Ultra-Endurance Competitors: Lessons From Sled Dogs In The Iditarod:

Dogs are often called "man's best friend," and rightly so. Consider, for example, that they never interrupt us when we talk, are always happy to see us when we arrive home, and provide comfort when we are lovesick. Since dogs became domesticated 15,000 years ago, they have worked with and lived next to humans, which some say may account for the special bond. Each of the 400 breeds and varieties are unique, but only one stands out as the ultra-athlete canine: the racing sled dogs.

Earliest Animal Footprints Ever Found Show Animals Walking 30 Million Years Earlier Than Previously Thought:

The fossilized trail of an aquatic creature suggests that animals walked using legs at least 30 million years earlier than had been thought. The tracks -- two parallel rows of small dots, each about 2 millimeters in diameter -- date back some 570 million years, to the Ediacaran period.