Tuesday, May 22, 2012

Today's Environment Influences Behavior Generations Later: Chemical Exposure Raises Descendants' Sensitivity to Stress

Researchers have seen an increased reaction to stress in animals whose ancestors were exposed to an environmental compound generations earlier. The findings put a new twist on the notions of nature and ...  > full story
  • more on:

What Baboons Can Teach Us About Social Status

High-ranking male baboons recover more quickly from injuries and are less likely to become ill than other males, biologists have found. ...  > full story
  • more on:

Totally RAD: Bioengineers Create Rewritable Digital Data Storage in DNA

Scientists have devised a method for repeatedly encoding, storing and erasing digital data within the DNA of living cells. In practical terms, they have devised the genetic equivalent of a binary digit -- a "bit" in data parlance. ...  > full story
  • more on:

Morphing Robots and Shape-Shifting Sculptures: Origami-Inspired Design Merges Engineering, Art

Researchers have shown how to create morphing robotic mechanisms and shape-shifting sculptures from a single sheet of paper in a method reminiscent of origami, the Japanese art of paper folding. ...  > full story
  • more on:

Squid Ink from Jurassic Period Identical to Modern Cuttlefish Ink

Scientists have found that two ink sacs from 160-million-year-old giant squid fossils discovered 2 years ago in England contain the pigment melanin, and that it is essentially identical to the melanin found in the ink sacs of ...  > full story
  • more on:

Zooming in on Bacterial Weapons in 3-D: Structure of Bacterial Injection Needles Deciphered at Atomic Resolution

The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus. ...  > full story
  • more on:

Rare Neurons Linked to Empathy and Self-Awareness Discovered in Monkey Brains

Scientists have discovered brain cells in monkeys that may be linked to self-awareness and empathy in humans. ...  > full story
  • more on:

Cloak of Invisibility: Engineers Use Plasmonics to Create an Invisible Photodetector

Engineers have for the first time used "plasmonic cloaking" to create a device that can see without being seen -- an invisible machine that detects light. It is the first example of what the ...  > full story
  • more on:

Dry Lands Getting Drier, Wet Getting Wetter: Earth's Water Cycle Intensifying With Atmospheric Warming

A clear change in salinity has been detected in the world's oceans, signaling shifts and an acceleration in the global rainfall and evaporation cycle. The patterns are not uniform, with ...  > full story
  • more on:

Toxic Mercury, Accumulating in the Arctic, Springs from a Hidden Source

Environmental scientists have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic ...  > full story
  • more on:

Brain Injury to Soldiers Can Arise from Exposure to a Single Explosion

Scientists have found new evidence of chronic traumatic encephalopathy (CTE) in brain tissue from blast-exposed military service personnel. Laboratory experiments demonstrated that exposure to a single blast ...  > full story
  • more on:

Training the Blind to 'See' Using New Device to 'Listen' to Visual Informatoin

A method developed for training blind persons to “see” through the use of a sensory substitution device (SSD) has enabled those using the system to actually “read” an eye chart with letter sizes smaller ...  > full story
  • more on:

Latest News: Quick Links

Want to see all of ScienceDaily's current headlines and summaries?
 

Top Medical News


Physical Properties Predict Stem Cell Outcome

Tissue engineers can use mesenchymal stem cells derived from fat to make cartilage, bone, or more fat. The best cells to use are ones that are already likely to become the desired tissue. Researchers have discovered that the mechanical properties of ...  > full story

Top Environment News


Understanding Arctic Ocean's Carbon Cycle

Scientists have conducted a new study to measure levels of carbon at various depths in the Arctic Ocean. The study provides data that will help researchers better understand the Arctic Ocean's carbon cycle -- the pathway through which carbon enters ...  > full story

More Science Headlines

Updated 2 hours 45 minutes ago  |  Next update in 15 minutes

5 am EDT Edition
5 am EDT
2 am EDT
11 pm EDT
8 pm EDT
5 pm EDT
2 pm EDT
11 am EDT
8 am EDT

Science News: By Topic

Health & Biomedical
Biological & Earth
Physical & Applied
 

Health & Biomedical Sciences


Living Well

Marketing Is More Effective When Targeted to Personality Profiles

Advertisers spend time and money attempting to tailor advertising campaigns to the needs of different demographic groups. After all, the concerns of college students are going to be different from those of retired professionals. Even within a given ...  > full story

Biological & Earth Sciences


Earth & Climate

A Crowning Success for Crayfish

Australian freshwater crayfish have a tooth enamel very similar to humans. Nature sometimes copies its own particularly successful developments. Scientists have now found that the teeth of the Australian freshwater crayfish Cherax quadricarinatus ...  > full story

Physical & Applied Sciences


Matter & Energy

Proven Friction Stir Welding Technology Brings Together Reliability and Affordability for NASA's Space Launch System

NASA's next heavy-lift launch vehicle, the Space Launch System, is moving further in development faster thanks to proven advanced technologies like friction stir welding. Friction stir welding uses frictional heating combined with forging pressure ...  > full story

Computers & Math

Cyber Partners Help You Go the Distance

A competent, virtual exercise partner can boost motivation and improve team performance. A new study, testing the benefits of a virtual exercise partner, shows that the presence of a moderately more capable cycling partner boosts motivation to stick ...  > full story

Search ScienceDaily

Number of stories in archives: 118,660

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily's archives for related news topics,
the latest news stories, reference articles, science videos, images, and books.

Recommend ScienceDaily on Facebook, Twitter, and Google +1:

Other bookmarking and sharing tools:

| More

  more breaking science news

Social Networks


Recommend ScienceDaily on Facebook, Twitter, and Google +1:
Other bookmarking and sharing tools:
|

Science Video News


Healing Ear Infections Faster

Otolaryngologists now usea stainless steel device to insert into the ear that provides an easier, safer and faster treatment for a common problem. ...  > full story

Breaking News

... from NewsDaily.com

In Other News ...

Copyright Reuters 2012. See Restrictions.

Strange Science News

 

Free Subscriptions

... from ScienceDaily

Get the latest science news with our free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Feedback

... we want to hear from you!

Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?

 
Email this page's link to a friend or colleague:
close