Blood on dark backgrounds can be hard to see and there are traces of blood that are not visible to the naked eye.

What this does is provide fast, at-the-scene identification of blood and speed up the investigative process, as items do not need to go back to a laboratory to be examined.

Ever been on a date and found yourself confused because they asked you about your blood type? It’s the trending new question that people in Asia are all asking on their first date.

In today’s quick-fix culture, we need answers and we need them now. In Korean and Japanese culture, it is believed that blood types can tell you a lot about your personality.

It’s another thing to be plainly racist and status-conscious.

Source With a degree from the Wee Kim Wee School of Communications in Nanyang Technological University, we’re guessing that he took a class in egotism, so much so that he sees fit to place himself in the so-called “92nd percentile”.

People born with this blood type are perfectionists by nature and enjoy maintaining a system of order through rules and regulations.

Due to the fact that they like following customs, they are often not very spontaneous when in a relationship.

I looked up my blood type, and the description of my blood type, and to be honest it was spot on.O negative women are very headstrong and an O negative man balances them and completes them, while an AB for example might be easy to handle, but not set the premise for a long term fulfilling and exciting marriage.Both O negative men and O negative women are doing best, when the person they are with "gets them" and they can act freely without having to explain themselves within a true connection where trust is a guarantee.Source As the app doesn’t seem to have launched yet, there’s still a chance this is all a joke or some weird social experiment.The question mark after “dating app” in the advert may be a clue.High Blood.co, a supposed dating app that purports to weed out undesirables like “banglas”, maids and “uglies”, may soon be online. We actually hoped that it was some form of satire, but it even has a founder who is willing to show his face.In fact, he seems proud of making so-called “intelligent” social apps. Source Many Singaporeans have produced amazing innovations and we’re proud of them. Here is a new technique to dating that is very interesting.If you are like me, you probably haven't heard of people dating certain people specific to their blood type.A camera that can detect and date blood traces is set to revolutionise the science of crime scene investigation.Long considered the "holy grail" by forensic experts, a new hyperspectral imaging device that can scan for the visible spectrum of haemoglobin could dramatically speed up police inquires, lead to more convictions and reduce the number of miscarriages of justice, its creators have claimed.Being very emotional beings, O negative women tend to freak out men other than O's and that is because they do not hold back their happiness or their frustration."An O negative couple is the type of couple which moves mountains together, as they both in their unity tend to allow one another to be themselves and catch the other when they feel the other is down, while for example a B positive man would probably miss the signs an O negative man will read naturally."As an O negative woman, I do agree with the assessment to an extent.While there is no concrete scientific evidence to support this theory, Asian culture holds the same reverence for blood types as we do for horoscopes and zodiac signs.