Can anyone identify this fossil fish vertebral disc?

Shoreline discovery, lighthouse beach, Chatham, MA.

09 October 2018 1,260 0 View

Can anyone identify this Permian seed from Madagascar?

Probably from the Sakamena Formation; photos are opposite sides of the same seed; millimeter scale.

09 October 2017 4,094 3 View

What are the top three largest natural gas fields in the world?

Can you estimate the reserves of each?

08 September 2014 6,058 1 View

How might one recognize tornado occurrence in the rock record?

Would shredded plant material be an indication?

03 April 2014 490 18 View

Are any American scientists, a marine vertebrate paleontology and a marine sedimentologist, interested in co-supervising a Keck study?

Research venue: Triassic strata, Nevada. Date: Next summer.

06 July 2013 2,338 9 View

What is the oldest known fossil amphipod?

Why do amphipods in general have such a limited fossil record?

05 June 2013 9,883 7 View

Is the type and only specimen of Bostrichopus antiquus Goldfuss in fact lost?

Does anyone have recent interpretations or ideas about this curious taxon?

04 May 2013 7,942 1 View

Can Neo-Darwinism (ND) today be considered a valid scientific theory?

[Tip of the hat to Darryl Smith.]

04 May 2013 3,463 34 View

Do slime molds have a fossil record?

If so, can you provide the pertinent reference?

03 April 2013 1,714 2 View

Is life as fundamental a property of the universe as matter and energy?

This was the contention of Vladimir Vernadsky; a viewpoint that really upset A. I. Oparin.

01 January 1970 6,128 1 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to consider effects of rapid warm adaptation in modeling of ecological impacts of warming?

I would highly appreciate it if my fellow ecologists (biologists) provide their opinion on the thoughts below [esp., shortly tell us which path may be more effective, if they know another way, if...

15 February 2021 3,642 6 View

Do you have any experience of taking astaxanthin supplement?

Astaxanthin is a keto-carotenoids having reddish color. It occurs naturally in certain algae and causes the pink or red color of different seafood especially salmon, shrimp, trout, and lobster....

29 January 2021 7,861 2 View

Is there a way to get rid of TEA in a TLC plate in order to do proper staining?

Dear colleagues: I have been trying to establish a few HP-TLC methods in the lab. In general, for quantification purposes, I prefer CuSO4+acid charring, to primuline staining. Lately I have been...

20 January 2021 9,019 1 View

Can any one suggest the name of Litchi insect/predator?

Is it a type of Ambush bug or what? Thanks

14 January 2021 9,381 3 View

How to measure abundance in an LC-MS/MS experiment?

Is the chromatographic peak a valid measure of a compounds` (relative) abundance in LC-MS data? We have recorded three MS/MS spectra; their retention time falls into a specific chromatographic...

13 January 2021 6,685 6 View

How can we say a species of insects got extinct?

02 January 2021 4,232 10 View

What are some good polymer to use for packaging a biological product ,which can be steril by gamma?

As different polymers with different characteristics are exist,I want to know What polymers can be used for packaging an orthobiologic product(bone allograft),which can have enough resistent to...

22 December 2020 8,196 5 View

How to get Argo Data? and is this useful for water column SST data?

I am working on MODIS-SST, I need SST in situ data and water column data, Please guide me in this.

21 December 2020 9,935 5 View