Posted
by
CowboyNeal
from the little-green-cavemen dept.
RockDoctor writes "The BBC is reporting that the photo-surveying of Mars has revealed seven suspected cave entrances in the Arsia Mons volcanic area.
This has been hinted at before — long sinuous channels in the same region have been interpreted as collapsed 'lava tube' caves — but the scale of the suggested entrances (sheer drops of 80 to 130m from the surrounding surface) makes my troglodytic hands twitch for my abseiling gear."
Posted
by
ScuttleMonkey
from the conservative-estimates dept.
OnFour writes "The MIT-backed startup behind SiteAdvisor has slapped a red "X" warning label on approximately 5 percent of all Web traffic and warned that there are roughly one billion monthly visits to Web pages that aren't safe for surfing. About 2 percent of all Web traffic was given the "yellow" caution rating." A more general SiteAdvisor blog entry overview was covered earlier on Slashdot.