Can anyone identify this Permian seed from Madagascar?

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Can anyone identify this fossil fish vertebral disc?

Shoreline discovery, lighthouse beach, Chatham, MA.

09 October 2018 1,419 0 View

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

Can you estimate the reserves of each?

08 September 2014 6,204 1 View

How might one recognize tornado occurrence in the rock record?

Would shredded plant material be an indication?

03 April 2014 634 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 2,475 9 View

What is the oldest known fossil amphipod?

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

05 June 2013 10,015 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 8,067 1 View

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

[Tip of the hat to Darryl Smith.]

04 May 2013 3,585 34 View

Do slime molds have a fossil record?

If so, can you provide the pertinent reference?

03 April 2013 1,893 2 View

What controls the placement of parr marks or lateral bars in Salmonidae juveniles (parrs)?

Is the retention of parr marks in adult Golden Trout (Salmo aguabonita) a case of neoteny?

01 January 1970 7,286 0 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 6,252 1 View

"A Markov-like Model for Patient Progression"?

A Markov-like Model for Patient Progression" Markov Chain Monte Carlo (MCMC) Markov Chain Monte Carlo (MCMC) is a powerful computational technique used to draw samples from a probability...

05 August 2024 10,079 0 View

What is the most effective way to sterilize camelina seeds?

I'm working on camelina seed sterilization and have some doubts about the process. I followed a protocol used by my lab mate, but I'm unsure about a couple of things: Is it safe to use 10% bleach...

02 August 2024 1,178 3 View

When should I stop watering A.thaliana for collect their seeds?

I have been following Rivero et al 2014 protocols, but I am not sure when I should stop watering because my plants are completely yellow but the siliques are not 80% brown. Any recommendations?...

30 July 2024 2,301 7 View

How should I prevent mould contamination on small seeds in a petri dish exposed to warm temperatures?

Hello all, Recently as part of a research project at university, we have been studying the effects of light and temperature on eucalyptus seed germination. In our initial run of trials we...

24 July 2024 8,850 4 View

HEC 1A & HEC1B Cell Lines?

Hi, Kindly guide me that how many cells of HEC1A & HEC1B Cell lines should I seed for Wound healing assay and which plate type is recommended 6, 12 & 24?. Articles suggested mainly 24...

20 July 2024 4,143 2 View

How to improve my plaque assay for influenza virus?

I used MDCK cells for my plaque assay for influenza virus and seeded 950,000cells/well in 6-well two days before infection. The virus was diluted in FBS-free MEM with 0.5ug/ml TPCK-trypsin. Here...

11 July 2024 5,669 5 View

How to convert protein percentage into kg/ha?

I have protein percentage and Seed yield per hectare data, how to calculate protein content kg per hectare.

11 July 2024 9,045 4 View

How can I determine the percentage of cell viability of cells seeded in 96 well plate ?

I am currently testing the effect of bacterial filtrates on cancer cells , after seeding the cells I tested the bacterial filtrates against them , and got images of all 96 wells using inverted...

10 July 2024 7,145 2 View

I seed my cell in Opti-MEM?

I seed my cell (KG1a )in opti-mem media for transfection (without lipofectamine as control ) and after 2 hours I add FBS 10 ul in each wells all my cells after 24h in control wells or with...

07 July 2024 407 0 View

Do the SHSY5Y cells tend to form multiple layers over each other when highly confluent?

I have attached pics of the SH-SY5Y cells within a seeded plate after reaching >80-90% confluence. Are these dark clumps of multiple growing cell layers? Or dead cells? Any clue? many thanks.

01 July 2024 8,361 3 View

Andrew Paul McKenzie Pegman

Could it be a coconut? New Zealand has Cocos zeylanica, which is very small :)

Narayanan Nair Mohanan

The first photo almost similar to Coconut

Mark McMenamin

Thank you, Andrew and Narayanan. This seed does resemble a coconut. It, however, would be a coconut only 3 millimeters long! Note that in the second photograph, there is a keel that runs the length of the seed.