American rock climber Alex Honnold ascended the Taipei 101 skyscraper on Sunday without any ropes or protective equipment.Cheers erupted from a street-level crowd as he reached the top of the spire of the 508-meter (1,667-foot) tower about 90 minutes after he started….[#item_full_content]
Arctic Sea Ice Levels Match Low Winter Peak
Arctic sea ice appears to have reached its winter maximum at one of the lowest levels on record, according to the National Snow and Ice