World production of plastic is 359 millions T/year.What could be the best biodegradable product to replace plastic?

Mediterranean get on average 600 000 T plastic/year and we consume some 5 gr plastic (micro- plastic particles) per week, the equivalent of a credit card

05 June 2019 2,483 5 View

Are the climatic changes influencing the migration patterns of birds ?

Some birds do not migrate anymore or do not go so far south. Have you some examples to be cited thank you for your answers

04 May 2019 2,616 12 View

How seriously should we take the UFO sightings?

In the USA, during a period of 17 years some 12 000 UFO sighting have been reported. What are they really? Any concrete evidence about them? If any where do they com from?

04 May 2019 1,649 3 View

Do you think that there is a lack of critical information about transgenic plants (food) among the general public ?

If yes, how to get about this problem? How to inform the consumer about the benefit and risk of "transgenic" food ?

03 April 2019 4,144 12 View

Many people are against transgenic plants, do you think that we can nourish an increasing world population without them?

Should you not want them, what are the realistic alternatives?

03 April 2019 8,289 23 View

Do nanobeads represent a serious danger for our health ?

Agriculture, industry and medicine make use of nanobeads. Nanotechnology is an important emerging industry with one trillion US dollars /year.

02 March 2019 8,607 5 View

Body language, do human pheromones play a role?

"some scientists suspect that the armpit could be sending all kind of signals from casual flirtation to sounding the alarm"... Scientific American, Mind Volume 25, issue 3, may 2014

01 February 2019 1,534 1 View

Human brain can take command of rat brain. What do you think about mind control?

Chinese scientists connect a human brain and a "rat cyborg" brain together allowing a wireless mind control of the rat's movements.... published in Nature's Scientific Reports on Feb 4 2019.

01 February 2019 6,825 3 View

What concrete evidence do we have about the toxicity of the herbicide Roundup (glyphosat) on humans ?

In some countries we find a correlation between the incidence of cancer in humans and the use of the herbicide Roundup.Do we have concrete facts about a cause-effect relationship between these two...

01 February 2019 3,930 5 View

Should you decide to decrease drastically CO2 emission within the next 10 years what would be your priorities, what would be the economic consequence?

Where should you start and how: road and air traffic, burning of coal and oil. Offering alternatives at an affordable price? But certainly not by increasing the taxes----

01 February 2019 5,544 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How can the use of Jolly Phonics improves the quality of reading, speaking and writing in rural disadvantaged communities in Papua New Guinea?

Jolly Phonics reading program is an effective way to teach early reading to young learners. How can lectures at the university prepare early childhood student teachers to teach Jolly Phonics to...

03 March 2021 3,731 3 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View