NH Notes: Fossil Wasp Cocoons in Dinosaur Eggs – Evidence of a Complex Ecology

Several fossilized wasp cocoons visible here in this titanosaurus egg.  Image:  SARZETTI (co-author of the paper describing this finding)

What happened to huge dinosaur eggs that were either abandoned or broke prematurely?  You might think that this is a question that is impossible to answer, but dinosaur eggs have been discovered with intriguing evidence of scavenging of various forms.   I recently came across a report from 2011 that I thought was especially interesting […]

When Flightless Birds Ruled the Land: The “Terror” Birds of the New World

Titanis Walleri, fossilized Terror bird skull.  Image: Scientific American, February 1994.

Dinosaurs and large mammals like mammoths get all the attention but the fossil record is full of amazing animals from ages past that haven’t yet been brought to the public eye through a Pixar movie. I thought the moas from New Zealand (see Consider the Moa) would be my last word on flightless birds. But […]

Weekend Potpourri: Salt Chronometer Update, Ken Ham Blog, and Gen X Creationists

potpory

It has been a while since I’ve been able write. There has been quite a bit of news the last two weeks and I thought I would briefly comment on a few items that are relevant to my most recent posts: The Salt Chronometer Since I published my series on the salty seas (Part I, […]

Lake Suigetsu and the 60,000 Year Varve Chronology

Here is an example of an ash layer from one of the cores of Lake Suigetsu.  This ash layer is more than 1cm thick (the varves are less than 1mm each) and is composed almost almost pure volcanic glass. The purity suggests that it resulted from ash falling from the sky into this very placid lake and quickly sinking to the bottom.  This image is from the Suigetsu web page:

Layers of sediment underlying some lakes can be read like rings in a tree. These layers called varves (alternating layers of sediments and/or organic material) and the precise counting of one that represent annual layers have been used to test and calibrate radiocarbon dating methods.   A few weeks ago there was a report on additional […]

The State of Creation Science as Measured by Scholarly Publishing

Journal-of-Creation-Magazines

In two prior posts (Creation Science Organizations: Past, Present and Future and The Next Generation of Creation Scientists) I have raised questions about the viability of the creation science movement as measured by the conversion of new scientists to the movement.   Of course there have been many converts to belief in a young earth or at […]

Creation Science Organizations: Past, Present and Future

ken ham poses with dinosaur at creation museum

Over the years I have maintained an eye on the ever-changing organizational structure of several creation science ministries.  The growth and in some cases retraction of some organizations is not unlike what happens to many non-profit or other para-church organizations.  The growth of para-church organizations is frequently caused by one of two main drivers:  a dynamic personality […]

The Salty Sea and the Age of the Earth, Part I – Confirmation Bias

salt-crystals

According to young earth creationists, there isn’t enough salt in the oceans if the earth is old. Recent references to this argument have spurred me to look a little closer at how it is being used today. What I find is that it appears to have only a purely rhetorical use as the actual data about the ocean’salinity suggests that the amount of salt in the sea is a useless tool for indicating the earth is old or young.

Geological Context II: Neanderthals and the Italian Supervolcano

A cave with sedimentary deposits on its floor.  Exposure to the atmosphere allows for sediments to be carried into the cave by wind, tracked in by animals but most material is feces from bats and other organisms that make temporary homes here including humans.  This particular cave on ?? island of Indonesia is where the skull and some bones of the so-called human "hobit" fossils were found 5.9 meters below the current surface in a pit seen in this picture.  These sediments also contain volcanic ash layers that allow ages to be assigned to different depths.

There are thousands of sites with either human remains or artifacts (stone tools usually) that are known across southern Europe and many are found in locations where they are found in layers stacked on top of each other like in caves or flood plain locations along rivers. But, the exact pattern of Neanderthal and modern human population migrations and changes is not my main interest.

The Toba Super Eruption: A Non-Flood Catastrophe – The Artifacts Say Yes!

A cross section of the ash layer found in a valley in India.  Image credit: http://www.foxnews.com/images/299448/0_22_070709_toba_deposit.jpg

The Toba volcano is found near the center of Sumatra, Indonesia. It has been estimated that at least 2800 cubic kilometers of material was thrown into the air during the explosion or series of explosions. To put that in perspective the Krakatoa volcano threw just over 2 cubic kilometers of material into the air some of which circled the globe causing dazzling sunsets in Europe.

The Prelapsarian Acacia and the Good Creation: On the Origin of Thorns

ants and beltian boides on acacia

The thorns on acacias got me to thinking about how traditionally all thorns and thistles have been viewed as results of the curse on Adam for his sin. In my prior article I looked at the dilemma that mimicry in organisms can be for young earth creationists. I want to share a brief natural history of acacias with you and then pose the question, what did acacia trees look like in the prelapsarian world (ie. before the fall of Adam?

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