Soil erosion due to human activities dates back 4000 years
Human activity and the opening of the landscape through clearing intensified soil erosion about 4,000 years ago, well before industrialization. This is the conclusion reached by European and Canadian geologists…
Read more »New theory on the origin of lava
The lava flowing from volcanoes is not fed by the magmatic chambers, say British volcanologists, who question the classic theory of volcanic eruptions. The work of Professor Matthew Jackson, expert…
Read more »Earth has entered the age of Meghalayan
Earth has officially entered a new chapter in its history, the age of the Meghalayan, the third and last period since the beginning of the Holocene era nearly 12,000 years…
Read more »Fertilized sperm 50 years ago still viable
The sperm of four rams stored since 1968 in an Australian laboratory has been thawed and successfully used to inseminate 34 ewes. Researchers Simon de Graaf and Jessica Rickard of…
Read more »Newly discovered gene mutation reduces fear and anxiety, and increases social interaction
A genetic mutation recently discovered by Finnish scientists reduces fear and anxiety, and increases social interaction in mice. Geneticist Heikki Tanila and colleagues from the University of Eastern Finland used…
Read more »