At least 5 mass extinction events have profoundly changed the history of life on Earth. But a new study led by researchers at the University of Gothenburg shows that plants have been very resilient to those events. For over 400 million years, plants have played an essential role in almost all terrestrial environments and covered […]
Archive for March, 2015
Penn-Dixie events in March 2015
March 4th, 2015 Riffin
March 14, 2015 –8:30 AM, Penn Dixie Volunteer Training Program in the auditorium of the GatewayExecutive office, 3556 Lake Shore Road, Blasdell. Call (716) 627-4560 to make reservation. $30/person, Penn Dixie members are FREE. March 14, 2015 9 AM-2PM, Penn Dixie presentations at 10thAnniversary of Tech Savvy girls STEM Program March 18, 2015–7 PM, “Four […]
How were fossil tracks so well preserved?
March 1st, 2015 Riffin
A type of vertebrate trace fossil gaining recognition in the field of paleontology is that made by various tetrapods (four-footed land-living vertebrates) as they traveled through water under buoyant or semibuoyant conditions. Called fossil “swim tracks,” they occur in high numbers in deposits from the Early Triassic, the Triassic being a geologic period (250 to […]