Tectonic processes are thought to have triggered past ice ages, but how? A new analysis of mountain building in the maritime tropics of Southeast Asia attributes the last ice age, which reached a maximum 15,000 years ago, to increasing rock weathering in the rising island arc from Sumatra to New Guinea over the past 15 million years, with the first ice sheets in the Northern Hemisphere appearing about 3 million years ago.
Researchers can offer insight into why these storms intensified quickly as they moved across the continental shelf.
The reactive and piecemeal approach historically used to manage beaches in Hawai’i has failed to protect them. If policies are not changed, as much as 40% of all beaches on O’ahu, Hawai’i could be lost before mid-century, according to a new study.
Alabama’s wide beaches were the first target of Hurricane Sally’s scouring winds and storm surge, ripping away massive amounts of sand and leaving clifflike escarpments at popular tourist destinations.
Kari Paul here, logging off for the night. Thank you for sticking with us on these fast-moving news days. Here is what you should know from the last few hours: The justice department is set to investigate the Roger Stone…
With faces straight out of Dr. Seuss, the cheeky beaks of Burmese roofed turtle hatchlings are characterized by what’s been described as a nonstop grin. These days, the turtles have plenty of reasons to be cheerful. Not long ago, however, the existence of species, native to Myanmar’s Irrawaddy river region, was in serious doubt. Over-hunting for […]
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A researcher may help answer why some animals have a magnetic ‘sixth’ sense, such as sea turtles’ ability to return to the beach where they were born. The researchers proposes that the magnetic sense comes from a symbiotic relationship with magnetotactic bacteria.