What is the best way to determine the frequency of plant fossils in a shale matrix?

07 August 2017 3,801 2 View

In modern terms, was Charles Darwin, a biologist, geologist, or something else?

In his time, Charles Darwin was a naturalist who investigated many fields of science.

08 September 2016 5,783 6 View

What is the difference between a chemical signature and a chemical fingerprint?

I think that both terms have been used in the literature. Maybe they are the same concept but maybe not.

02 March 2016 9,864 1 View

What is the difference between precision and accuracy when you are looking at analytical data?

31 December 2015 4,937 3 View

Of all the great hypotheses of the 19th and 20th Centuries which one is the greatest, either in the geological sciences, physical sciences?

Justify your choice and indicate why it is the best.

11 December 2015 2,484 6 View

What are the most reliable ways of determining the paleoclimate during the Pennsylvanian (ex Late Carboniferous) and Permian?

02 March 2015 5,303 2 View

Have fungi been observed in the organic matter of Carboniferous coal balls?

Fungi are rare in Carboniferous coal where they are classified as the maceral funginite.

11 December 2013 9,154 2 View

What is this fern?

Please help me to identify this fern species. Thank you in advance.

24 February 2021 2,435 5 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

Is there any solar electric power plant having the concentrated photovoltaic modules?

The solar photovoltaic (PV) power plant uses commercial (non-concentrated) PV modules which are quite simple in design and reliable. They can work on fixed orientation and don't need the moving...

16 February 2021 3,796 9 View

Is it possible estimating environmental conditions with a Bayesian approach?

In ecology specific species can be used to get an indication/estimation of the environmental conditions. A simplistic example, lets assume I find a pike (Esox lucius). We know this species does...

01 February 2021 10,034 4 View

How can a traditional medicine exist if its validated outcome is translated into molecular mechanism for acceptance of modern medicine?

A traditional medicine (e.g. Unani System of Medicine) has its own philosophy of treatment of a disease. Nowadays, there is emerging demand to validate the effectiveness of an intervention (a...

05 January 2021 9,472 5 View

How yo prepare samples for RNA extraction?

I really need help. I tried finding a protocol on how to prepare samples for gene expression . I am working on Antimicrobial activity of a medicinal plant and I would like to check its effect on...

30 December 2020 7,112 2 View

What is the level of consciousness , communication and feeling in plants ?

Do you think the plant can communicate with each other, what is the level of feeling in plants?

22 December 2020 2,754 17 View

After extraction of essential oils from medicinal plants or plant parts, what are the possible ways to utilize the leftover?

If we extract the essential oil from a medicinal plant i.e., Ajwain seeds by hydro-distillation technique, it will yield about 2-3% essential oil. My question is about the remaining 97-98% portion...

16 December 2020 5,561 6 View

Could u help with different techniques installed across the world to prevent jelly fish ingress problems in sea water intake syts desalination plant?

jelly fish ingress is a major problem affecting the sea water intake systems leading to plant outages in power plants and desalination plants. can anyone through some insight on installed and...

15 December 2020 6,643 4 View