Does the quality of sunscreen get affected as the time passes while in the shelf?

a large number of sunscreens are being sold in the market which have an expiry date. most of the sunsceens are just stable chemiclas which tend to react only with sun light. what is the expiry...

07 August 2018 5,590 2 View

Proactive versus reactive approach. which is better?

A proactive approach focuses on eliminating problems before they have a chance to appear and a reactive approach is based on responding to events after they have happened. The difference between...

11 December 2016 1,943 26 View

Pepsi and Coca Cola are known to cause Obesity. Still people love them. How can we define such paradox?

Pepsi and coca cola if they have contributed anything to this world is that they have made the world heavier by causing Obesity. Any function any meeting and any get together and any thirst...

09 October 2016 6,255 1 View

Can benzyl peroxide be combined with adapalene and clindamycin simulatneously?

09 October 2016 1,973 3 View

Of all the branches medicine has the highest and constant updates and efficiency. Yet it is charity?

Hotels with luxury. Food with luxury, clothing with luxury. every one pays for being happy. Why does one not pay for being healthy? Why are insurance companies making it easy for one to keep...

31 December 2014 3,453 0 View

Anti diabetic drugs and anti hypertensive drugs are available as both branded and generic. Which is to be prescribed and why?

With the advent of generic drugs the branded forms are also competing for prescription. while offering the best to the patient which is considered better. why is there no uniformity in pricing...

10 November 2014 2,727 10 View

Compare and cotrast products versus services like chemical peels and lasers?

How to compare and contrast each of the pros and cons for products and services. like laser, PRP and chemical peels. with the customer first attitude which is safe?

10 November 2014 6,380 0 View

With life expectancy increasing why is quality of life not equal everywhere?

Happiness is ultimately that is required. does money alone decide the quality of life or happiness? Is medical science responsible for increasing life expectancy or providing clean and healthy...

10 November 2014 8,589 11 View

How safe is Glass as an enclosure?

A recent cyclone in Andhra Pradesh damaged many show rooms with glass as exterior. Many show rooms which flaunted expensive glass as walls, and exteriors came for a shock as they found the glass...

09 October 2014 1,900 3 View

Courses for genetics in australia

I there any college or university in Australia where a student from India can pursue Genetics after completing intermediate in India

06 July 2014 8,993 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View