How the world can be made an ideal place to live?

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Why Africa is called as dark continent?

Most of the Africa is located in tropical region and receive lot of sunshine and day light. It is the only continent through which Equator, Tropic of Cancer and Tropic of Capricorn run. Then, why...

02 March 2020 1,631 4 View

What is the biggest threat to future food security?

Although several natural and human factors like climate change, crop diseases and pest attacks, farmland conversion, aridity and deficiency of irrigation water, mismanagement etc. are some of the...

01 February 2020 1,016 37 View

How the humans can protect themselves from the harmful effects of electromagnetic radiation?

Human body naturally has the ability to bear electromagnetic radiation but up to certain limit. Radiation beyond 500 millirems becomes harmful for human body. In current age of electronics, due to...

01 February 2020 6,110 4 View

How rapidly deteriorating environment of the earth can be checked?

World population has crossed 7.7 billion. It's needs for space and resources are also rapidly growing. Human activities are expanding and their multiplier effect is deteriorating earthly...

08 September 2019 5,791 4 View

Why tornados originate in some specific areas of the world and what are exact causes of their origin?

Tornados originate in some specific areas of the world more frequently during specific months of the year. These violent winds are very destructive and may cause economic and life losses. Why are...

05 June 2019 8,034 2 View

How old are the humans on the earth?

It is approximated that our earth is 4.5 billion years old but when human life started on it. Is it really started very late? If it is so then what can be the possible reasons. Scientific evidence...

02 March 2019 5,810 2 View

Which can be the most major environmental problem of the world?

Several environmental problems can be seen cropping up over time round the globe like fresh water shortage, aridity, global warming, ozone depletion etc. Thus, is seems difficult to decide which...

01 February 2019 9,519 38 View

Is there any possibility to use planktons as human food in future?

Keeping in view the increasing food needs of rapidly growing population we my need more efficient food resources in future. In this context is there any possibility of Plankton's use as human food...

31 December 2018 3,140 1 View

Can aquaculture may supersede agriculture in future?

Human population and human activities are expanding rapidly on land area with the passage of time. Consequently farmland is shrinking. On the other food demands are also increasing day by day. To...

11 December 2018 1,850 10 View

How the problem of arable land conversion in to non agricultural uses can be controlled?

Several areas of the world are currently facing problem of farmland conversion in to non-farm uses and it seems they may face the problem of adequate food supply to the expanding population. Thus...

10 November 2018 6,436 1 View

Online surveys for social sciences researchs: what are your opinions about this tool and how can we improve the research design to incorporate online?

Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...

21 February 2021 7,457 3 View

Which vial septa the right one to be used for HPLC?

This is the unanswered question stored very long in my mind and till now I could not find a right answer. Google search educated me that the red surface is the PTFE material compatible to wider...

21 February 2021 546 3 View

What would be the best survey design and stat. analysis for my research- impact of pandemic on pro-conservation and pro-environmental behaviours?

Ive started to design the survey with demographics, I have a list of pro-environmental and conservation behaviours which i plan to ask if they have changed since the pandemic. I think i'll use...

15 February 2021 4,204 3 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Hi, can a variable in a questionnaire be measured with a series of questions or it has to one question for one variable?

I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...

13 February 2021 4,413 6 View

Why non-specific band appear on T-ARMS PCR?

Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...

09 February 2021 588 2 View

What is your opinion regarding opening of school? Now students are supposed to join school. Do you think that decision is in the interest of society ?

From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?

08 February 2021 3,068 6 View

I have faced a problem to amplify VP2 gene of porcine parvovirus 1,2,3 and 5? Please suggest me how can i solve this problem?

Till now i haven't got any PCR amplified vp2 gene bands on specific annealing temperature and in step up PCR.

08 February 2021 819 4 View

What are the contents of the supplication of the oppressed that Imam Al-Hadi (peace be upon him) teaches us?

08 February 2021 6,791 5 View

Fractional derivative users, are you on the same page with me on the validity of the fractional order parameter, say alpha?

Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...

08 February 2021 9,671 3 View