• warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/www/html/pdnonline/sites/all/modules/filefield/filefield_field.inc on line 277.
  • warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/www/html/pdnonline/sites/all/modules/filefield/filefield_field.inc on line 277.
  • warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/www/html/pdnonline/sites/all/modules/filefield/filefield_field.inc on line 277.
  • warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/www/html/pdnonline/sites/all/modules/filefield/filefield_field.inc on line 277.
  • warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/www/html/pdnonline/sites/all/modules/filefield/filefield_field.inc on line 277.

Science

Telescope will pick up Wednesday asteroids

Two asteroids are due to whiz past the Earth on Wednesday according to NASA.

The US space agency has said the two small asteroids, which were discovered just days ago, will be visible through a telescope.

Discovery of cerebral cortex in marine worm offers insights into evolution

Scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, have discovered a true counterpart of the cerebral cortex in an invertebrate, a marine worm.

NASA Selects Investigations for First Sun Encounter Mission

NASA has begun development of a mission to visit and study the sun closer than ever before. The unprecedented project, named Solar Probe Plus, is slated to launch no later than 2018.

NASA Hurricane Researchers Eye Earl's Eye

Hurricane Earl, currently a Category Two storm on the Saffir-Simpson scale with maximum sustained winds of 100 knots (115 miles per hour), continues to push relentlessly toward the U.S. East Coast, and NASA scientists, instruments and spacecraft are...

Most Data Breaches Avoidable, Verizon Report Finds

Breaches of electronic records last year involved more insider threats, greater use of social engineering and the continued strong involvement of organized criminal groups, according to communication giant Verizon's 2010 Data Breach Investigations...

NASA's Hibernating Mars Rover May Not Call Home

NASA mission controllers have not heard from the Mars Exploration Rover Spirit since March 22, and the rover is facing its toughest challenge yet -- trying to survive the harsh Martian winter.

Scientists Set Sail to Map the Arctic Seafloor

American and Canadian scientists are setting sail this summer to map the Arctic seafloor and gather data to help define the outer limits of the continental shelf.

Portable (and Ultra-Low-Cost) Ventilators Could Save Lives in Rural Areas and During Disasters

In the aftermath of Hurricane Katrina, hospitals were overwhelmed and understaffed. As hallways were flooded with patients, many of whom had life-threatening injuries and illnesses, the lack of proper supplies became apparent.