What is Watermelon Snow?
Watermelon Snow, exactly as the name suggests, is a pink colored watermelon slushy like snow. It has been spotted in a number of snow covered regions of the earth which are permanently covered with snow. Although the pink color may look like it comes from some sort of a mineral deposit, or some other inorganic source such as meteorite debris, interestingly it is due to living organisms – Algae. Its other names are – snow algae, pink snow, red snow, or blood snow.
How does it get that color?
One of the widely found algae species in these pink snow patches contains a red pigment (called carotenoids) in addition to the green chlorophyll component. The alage itself is called Chlamydomonas nivalis.
Continue reading Beware of the Watermelon Snow
The term cocktail party effect was coined by a British Cognitive scientist Colin Cherry, in the 1950s. He was interested in understanding how people listened, by conducting a few experiments. In his first experiment, he played two different overlapped messages recorded in the voice of the same person, through headphones. The participants were asked to listen carefully and try to write one of the messages on paper. If they put in enough concentration, the participants usually succeeded.
Now, if someone asks you to describe the cocktail party effect. The formal Cocktail Party effect definition is as follows:
Cocktail Party Effect Definition:
The cocktail party effect is the phenomenon of being able to focus one’s auditory attention on a particular stimulus while filtering out a range of other stimuli, much the same way that a partygoer can focus on a single conversation in a noisy room. Continue reading The Cocktail Party Effect
In his ted talk, Dan shares the story of Ellsworth Wareham, a 100 year old multi millionaire who lives in Loma Linda, California. The story goes…
One day Mr. Wareham wanted to get a fence made. And to get it done professionally, he began talks with a contractor who asked for a hefty price of $6000. This wasn’t agreeable to him. So he decided to go ahead and do the arduous task of carrying heavy wooden raw material and building it himself – all alone. The next day, he ended up in the ICU. The twist in the story comes when you find out that he wasn’t in the ICU as a patient, instead as the 100-year old heart surgeon. Dr. Ellsworth Wareham is one of the first persons to ever have performed open heart surgery and his experience still is invaluable.
Continue reading Nine Principles to Living 100+