Earth Day. "Let's celebrate!"

01 January 1970 0 6K Report

The question not yet well answered: what are we and do on this planet? Are we beings that have in their constitution similarities with all the thousands of species on the Planet?

More João Carlos Orquiza's questions See All

What is the color of a thin film (3 microns) of indium deposited by E-beam evaporation?

I'm trying to achieve bonding between two different substrates through thermocompression using indium as an adhesion layer. After depositing indium through e-beam evaporation, the thin film is...

05 May 2024 5,289 2 View

For DOM (dissolved organic matter) and in addition to the Follin method strategy, is there another way to determine phenolic content in the sample?

This is working with DOM (dissolved organic matter) and in addition to the acid-base titration strategy, Follin's method, there is another strategy to determine the amount of phenolic?

23 April 2024 2,197 1 View

Error on GaussView6 in Ubuntu 22.04 LTS?

Hello, I was trying to install GaussView6 in my PC with Ubuntu 22.04 LTS, but I'm facing some issues. I fixed the export LANG bug, that it was presented in some previous discussions here....

03 April 2024 1,223 0 View

Problems in serum samples. Some help?

Hello. I am having troubles with serum samples. I know that they are positive for Leishmania but when i do the PCR, most of my samples are negative. So, any ideas to have a better outcome? Maybe...

10 March 2024 9,385 2 View

Has the authority of the Italian classicist Salvatore Settis changed deeply the traditional research paradigm on Classical Studies?

Salvatore Settis (Il Futuro del Classico, 2004) changed radically the traditional concept of Greek culture created by the German classicists of the XIX century. Instead of the idea of an isolated...

24 January 2024 8,198 1 View

Warbug and Crabtree effcts on cancer Cells. question?

Hello. I have a question about these two behaviors, the Warburg and Crabtree effects. I am a master's student and my teacher said to me that Warburg occurs in cancer cells and Crabtree in yeast,...

17 January 2024 3,422 2 View

PTFE as a binder for Lithium ion batteries cathode, how to ?

Numerous articles mention the combination of metal oxide, carbon black, and PTFE as a binder, followed by pressing onto an Al mesh. Yet, I encounter difficulties in achieving uniform pellets using...

07 December 2023 4,298 3 View

How can you expect Machine Learning to help with your Solar Photovoltaics and Power Electronics research?

I created this question to share published work on the topic. How do you think ML is helping your work?

06 December 2023 9,725 1 View

Is it possible to perform a forest plot with Meta-Essentials, for a logistic regression model with OR and CI?

I would like to create a forest plot for a study we are conducting, in order to represent data from a logistic regression model with OR and CI for each variable included. However, I'm struggling...

01 December 2023 2,835 1 View

Who Does Science Really Serve Today? Are We on the Right Path?

The recent essay "Beyond Progress: Unmasking the Myth of Scientific-Economic Advancement" raises a fundamental question: who does science really serve in contemporary society? This debate is an...

30 November 2023 9,355 3 View

Do you know best conditions for formation of best REE deposits?

I want to know more about REE deposits.

03 August 2024 6,930 2 View

Why cycling of matter important to life on Earth & movement of matter through an ecosystem different than movement of energy through an ecosystem?

Why is the cycling of matter important to life on Earth and movement of matter through an ecosystem different than the movement of energy through an ecosystem?

03 August 2024 5,061 3 View

Why does the flow of energy through the biosphere depend on the cycling of nutrients and matter and energy flow across the earth's subsystem?

03 August 2024 6,412 0 View

Does atmosphere affect flow of matter & energy on Earth & flow of energy in biosphere related to the flow of food through a food chain?

How does the atmosphere affect the flow of matter and energy on Earth and flow of energy in the biosphere related to the flow of food through a food chain?

02 August 2024 9,644 0 View

How do energy flow and matter change in Earth's interior and geosphere subsystem affect the flow of matter and energy on Earth?

02 August 2024 9,144 0 View

How do matter and energy flow during the interaction of Earth's subsystems and hydrosphere subsystem affect the flow of matter and energy?

02 August 2024 7,579 2 View

How does energy flow through Earth's systems and how does that affect climate and biosphere affect the flow of matter and energy on Earth?

02 August 2024 2,699 2 View

What is the best conditions for formation of REE ore deposits?

I want to know more about REE deposits.

31 July 2024 7,366 1 View

If the emission of all greenhouse gases is stopped now, will the temperature of the earth continue to rise?

Here's a serious question: If we were to stop emitting all greenhouse gases right now, would the Earth's temperature start to cool down, or would the existing greenhouse gases continue to warm the...

30 July 2024 5,123 4 View

How do microbial communities contribute to ecological cycles on Earth and how does an agroecological system support diverse microbial communities?

25 July 2024 5,197 2 View