Why Does the Pink Color in a Titration Fade Over Time?
Jan 31, 2005 · How to answer the question: why the pink colour (from 2-3 phenolphthalein indicator) obtained at the end point of the titration in this experiment gradually disappears over …
Pink salmon — too much of a good thing? - Geophysical Institute
Jun 14, 2018 · Pink salmon born in hatcheries, where professionals harvest eggs from wild salmon and rear them in captivity before releasing them in the ocean, have doubled in …
Aurora Forecast | Geophysical Institute
2 days ago · Forecast: Moderate aurora activity forecasted. If skies are clear, moderate displays may be visible overhead from locations such as Utqiaġvik to as far south as Talkeetna, and …
Suggest "Informative" feedback reaction icon change away from …
May 21, 2025 · OK, maybe I'm just old and not up to the latest trends in emoticon use, but I just noticed the "Informative" reaction option has changed from the (for me) very fitting "light bulb" …
What do the blue and pink color of the rust indicator shown mean?
Oct 12, 2014 · Hello, everyone. What do the blue and pink color the rust indicator shown mean? Let say, the mixture of potassium hexacyanoferrate(III) and phenolphthalein is the rust …
Why does a Walrus Blush? | Geophysical Institute
3 days ago · The skin of walruses becomes pallid when it is exposed to cold air or water and changes to pink when exposed to warmer ambient temperatures. This color change may …
Why does my Patton-Reeder indicator immediately turn blue?
Dec 13, 2019 · From the guide; excess calcium ions form a complex with the PR indicator (pink), but then as the EDTA is added they start to form a complex with EDTA and it turns blue.
Plasma Color: What Makes It Blue & What Colors It Can Be?
Jan 6, 2011 · Most of the plasma we see in everyday life is more or less blue (lightning, plasma lamps, static discharges through air etc etc). But if I understand correctly, plasma can be in …
Ice Worms | Geophysical Institute
Jun 26, 2025 · Ice worms eat airborne pollen grains, fern spores and the red algae that lives in snow and sometimes colors it pink. Unable to exist at temperatures much below freezing, ice …
Color Difference between Left and Right Eyes? - Physics Forums
Apr 26, 2011 · Hello, I am new to Physics forums :) Anyways, I have noticed that there is a very slight color difference (Hue) between my two eyes, unnoticeable when both are open. I close …