biosphere

Listen Current: Indigenous Groups Fight Logging

Listen Current

October 29, 2015  --  The Amazon in the north of Brazil is being deforested, and it is estimated that 80% of the wood harvested is illegal. Many environmental groups are fighting deforestation on the basis of its effects on global warming. But there’s one group of indigenous people in Brazil is fighting back against illegal loggers. This tribe is trying to preserve the trees because they are central to their way of life. They surround and warn illegal loggers and then drive them away with bows and arrows.

EARTH Magazine: Owl Pellets Bridge Ancient and Modern Ecosystems

EARTH Magazine

From EARTH Magazine, 10/28/2015  --  In a Utah cave, paleontologists are exploring the fossil record preserved in owl pellets since the Pleistocene glaciation. The fossils in the pellets are giving the scientists a glimpse of how the ecosystems have changed over time both from natural variation and more recent changes brought on by human settlement. 

Listen Current: A New Human-like Species

Listen Current

September 22, 2015  --  A new species that tells us something about humans origins was recently discovered deep inside a cave in South Africa. This discovery is a mystery in many ways. How did the bones get there? How old are the fossils? What is the significance of discovering them? The bones are so deep inside the cave they were almost inaccessible. The scientist who discovered them hired thin, non-claustrophobic scientists to descend a steep cliff and then climb through a 7-inch wide crack in a cave to collect over 1,000 bones.

Press release for students - Hair ice mystery solved

EGU Planet Press

From EGU, 07/22/2015  --  Did you know that there is a type of ice called hair ice? It is shaped like fine, silky hairs and looks like white candy floss. It grows on the rotten branches of broad-leaf trees during humid winter nights when the air temperature drops slightly below 0°C. A 100-year old theory states that hair ice also needs something else to grow – a fungus – but, until now, no one had managed to confirm this.

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