Including Original "Paul H. Letters" Copyright © 1996-2017 Paul V. Heinrich - All rights reserved.



Wednesday, 5 July 2017

How Frogs Benefited From The Dinosaurs' Extinction

How Frogs Benefited From The Dinosaurs' Extinction


How Frogs Benefited From The Dinosaurs' Extinction
Facebook. The two-Way, NPR, July 3, 2017
http://www.npr.org/sections/thetwo-way/2017/07/03/535383841/how-frogs-benefited-from-the-dinosaurs-extinction

Extinction event that wiped out dinosaurs cleared way for frogs, Florida Museum of Natural History, July 3, 2017
https://phys.org/news/2017-07-extinction-event-dinosaurs-frogs.html

The paper is:

Yan-Jie Feng, David C. Blackburn, Dan Liang, David M. Hillis, David B. Wake, David C. Cannatella, and Peng Zhang, 2017, Phylogenomics reveals rapid, simultaneous diversification of three major clades of Gondwanan frogs at the Cretaceous –Paleogene boundary PNAS 2017 : 1704632114v1-201704632.
http://www.pnas.org/content/early/2017/06/26/1704632114

Yours,

Paul H.

Tuesday, 4 July 2017

New Paper About Asteroid Impact Hazards for Humans

New Paper About Asteroid Impact Hazards for Humans

If you die via asteroid, this is how it will happen
It’s incredibly unlikely. But what if?
by Brian Resnick July 3, 2017
https://www.vox.com/science-and-health/2017/7/3/15903154/asteroid-death-one-chart

The paper is;
Rumpf, C. M., H. G. Lewis, and P. M. Atkinson (2017), Asteroid impact effects and their
immediate hazards for human populations,
Geophysical Research Letters, 44, 3433–3440, doi:10.1002/2017GL073191.
http://onlinelibrary.wiley.com/doi/10.1002/2017GL073191/full

PDF file at: https://arxiv.org/pdf/1703.07592.pdf

Yours,

Paul H.