Some say that Twitter may be as important to real-time search as YouTube is to video.
A carbon-emissions limit will raise energy prices unevenly.
After months of gloom, the U.S. stimulus package could kick-start some projects.
Measuring online buzz could help investors, a company claims.
Healthier proteins may be the key to the long life span of naked mole rats.
The Congressional stimulus bill could help create a new, advanced battery industry in the United States.
Scientists get ready for the end of federal restrictions on embryonic-stem-cell research.
The device betrays a plan to dominate the transition from printed books to electronic ones.
Nano particles could prevent buildings and bridges from suffering serious structural damage.
Ultracapacitors that store more could help the grid run smoothly.