11/06/2013

Waze sale signals new growth for Israeli high tech

Google Inc.'s $1.03 billion purchase of Israeli navigation software maker Waze marks an important milestone for the country that affectionately calls itself "Start-Up Nation."

Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other predators and prey, ...

Marks on Martian dunes may be tracks of dry-ice sleds

(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.

Landsat satellite looks back at El Paso, forward to a new mission

Landsat has seen a lot in its day. In one spot of desert, where the Rio Grande marks the border between the United States and Mexico, the satellite program captured hundreds of images of fields turning green with the season, ...

Brazil's natives protest dam construction

Indigenous activists occupied the headquarters of a government agency Tuesday to demand a voice in the construction of a controversial dam in the Amazon.

page 2 from 11