Innermost : Earth has another layer in its core, scientists discover yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
Experts scooped out four-inch slices of guano from a pile more than six feet tall
Biochemical markers reveal shifts in the bats diet over thousands of years
They were able to mark dry periods in 1350 BC and during the Middle Ages
Chemical signatures from nuclear testing and leaded gasoline were also found
The guano at the top was so wet, samples had to be taken with an eyedropper
What alien raindrops on other planets have in common with rain on Earth cnnphilippines.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cnnphilippines.com Daily Mail and Mail on Sunday newspapers.
/
Researchers with the Long Term Ecological Research station at the University of Colorado’s Mountain Research Station on the Niwot Ridge of Colorado’s Indian Peak work on the 2019 snow survey in the Green Lakes Valley, which includes the Arikaree Glacier and provides a substantial portion of Boulder, Colorado’s water supply. The LTER runs a snow survey in the valley every year.
Lack of monsoon rainfall last summer and spotty snowfall this winter combined to worsen the Western drought dramatically in the past year, and spring snowmelt won’t bring much relief. Critical April 1 measurements of snow accumulations from mountain ranges across the region