Does anyone have a PDF of a paper by Yanaki Tenchov from 1976, regarding the Svoge Coalfield in Bulgaria?

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Is there a ready-made apparatus for whitening/dusting fossils with sublimated ammonium chloride?

Dear Paleo Community: Many paleontologists (and biologists) use sublimated ammonium chloride to whiten/dust specimens prior to photography. However, does anyone know of a company that makes a...

23 February 2023 7,052 9 View

Is anyone aware of a reconstruction of a late Paleozoic (Pennsylvanian to Permian) plant bearing Taeniopteris leaves?

I am working on reconstructing the vegetation dynamics of a Middle Pennsylvanian dryland environment. I need to find an existing reconstruction of the plant that bore Taeniopteris leaves -- it...

13 May 2014 9,157 4 View

Fisher Scientific 10M urea solution cloudiness?

I recently ordered USP grade urea from Fisher Scientific (catalog number U16-3) and made a 10M solution. The solution stays cloudy even with gentle heating. Upon filtering, the solution becomes...

01 January 1970 2,123 1 View

How do the Maxent use to prediction the distribution of the cave fishes in Karst area?

As the known, there were the most richness species diversity of the cave animals, especially for the cave fishes, because the underground river sytems. But there were the diffculties exist also,...

14 May 2024 9,131 0 View

Can anyone identify the Genus and Family of this transparent cave-dwelling snail?

Last weekend I took a photo of this cave-dwelling snail in a northern peruvian cave (1200 metres above sea level). Could you please help me to identify the Genus and Family? Thank you very much.

02 March 2024 5,416 5 View

Any interested colleagues from Visegrad countries to participate in project application?

I need 2 partners from the Visegrad group countries (Poland, the Czech Republic, Slovakia, and Hungary). The topic will be the area of Agricultural Economics (under 3. Innovation, R&D,...

22 January 2024 7,969 3 View

• Plato’s Metaphysics: Reality?

Elaborate on each of the following philosophical themes. Equally, on each theme, provide the limits and the strength. ·Plato’s Metaphysics: Reality as ideas ·The allegory of the cave ·Plato’s Idea...

02 January 2024 2,776 1 View

How might Zhuangzi´s wu wei (无为) & 莫 (mò) be central to our understanding of EFFORTLESS EXPERTISE & MASTERY, & not least, LEARNING THROUGH LEARNING?

In the context of Daoist philosophy, particularly the concept of wu wei (无为), the character 莫 (mò) is often used to convey the idea of "non-doing" or "non-action." Wu wei is a central concept in...

11 December 2023 7,287 0 View

Can anyone identify the Genus and Family of this cave-dwelling harvestman?

Last weekend I took a photo of this cave-dwelling harvestman in a northern peruvian cave (3000 metres above sea level). Could you please help me to identify the Genus and Family? Thank you very...

10 December 2023 3,747 0 View

What are the geotechnical risks involved in an underground powerhouse cavern or tunnel in a hydroelectric project in long term after its construction?

What are the geotechnical risks involved in an underground powerhouse cavern or tunnel in a hydroelectric project in long term after its construction (cavern/tunnel has rockmass cover of about 500 m)?

11 October 2023 4,541 0 View

How can I edit the item that was automatically added to my research profile?

The question is associated with the following item: Troglomorphic adaptations on the northern European frontier – the phylogeny of the cave Pseudosinella (Hexapoda, Collembola) in the Western...

11 September 2023 5,885 2 View

Where can I compare the estimated excess lifetime cancer risk (ELCR) for radon in cave environments? Is there a limit for this?

I have determined radon in Philippine caves for my MS thesis. To add an environmental health aspect, I have proposed calculating the excess lifetime cancer risk (ELCR) for tourists and workers. I...

22 August 2023 1,350 1 View

What news about sclerochronology in corals?

I am looking for any news concerning sclerochronology on madreporarians

21 July 2023 5,467 0 View