Ammonium dihydrogen phosphate

This molecule is used as a fertilizer. It is also used as a fire extinguisher, a piezoelectric transducer and in children’s crystal growing kits (where I obtained it). I took this photo with polarizing light and then rotated the polarizer to get the next picture.

Turkish Apricot

My favorite study snack has always been dried appricots. One day while I was doing my homework, I had a bowl of dried Turkish Appricots from Safeway next to me and I was noticing the texture of the snack and thought it would be fun to take a closer look at the structures on the…

Fungal growth on strawberries

I had brought a box of strawberries from the store and as I opened the box, the upper layer had healthy, red strawberries, but in the lower layer, a few had rotten and showed fungal growth. When seen through a foldscope, fungal rot was confirmed.

Mouth of red cotton bug (Dysdercus)

The beak-like mouth part or rostrum has four segment segments and tip reaches at the base of the middle pair of legs. This mouth part is piercing and sucking type.

Foldscope@DST MANAK – 2019 at Guntur

Happy to share that my Foldscope students, Sunitha, Vani and Divya and team introduced Foldscope to more than 2000 students at DST MANAK – 2019 at Guntur on 30.01.2019. They too enjoyed by looking at the excitement of school children and kids attended for the exhibition

Antenna of red cotton bud (Dysdercus)

The antennae are the insect’s nose- they are used for the sense of smell. The pair of antennae is made is made up of joints this means they very mobile.


I am interested to know the worm like creatures as seen in these videos. The ciliated creatures looks like Prorodon sp. (need experts comments).

Giant for ID

It making me confused after the post of BESTHA SRIKANTH. I was in the direction to give it the identitity as Paramoecium. But after his post, it makes me confused whether it is Frontiana or Paramoecium or any other else. Help needed from the experts to identify the species.

கை கழுவும் தொட்டியில் கண்ட நுண்ணுயிரி

இன்று காலை பள்ளிக்கு வந்த சந்தோஸ் மற்றும் சதீஸ் இருவரும் மடிப்பு நுண்ணோக்கியை கேட்டனர். நான் கொடுத்துவிட்டு வீட்டிற்கு வந்துவிட்டேன். அவர்கள் இருவரும் பள்ளியல் உள்ள கைகழுவும் தொட்டியில் தேங்கியிருந்த தண்ணீரை எடுத்து மடிப்பு நுண்ணோக்கியில் வைத்துப் பார்த்து இதனை பதிவு செய்தனர்.  

சிலேடு தயார் செய்யலாம்

ஆகாஷ், இனியன், சந்தோஸ் ஆகியோர் ஒரு சிலேடு எப்படி தயார் செய்வது என்று ஒரு வீடியோ எடுத்தனர். அது உங்களுக்கு உபயோகமாக இருக்கும்.

[Bio60_2019] Fiber structure of dust

While I was going around vacuuming, I found my old BIO45 lab notebook from fall quarter lying in a corner underneath my desk. When I pulled it out to vacuum, I was greeted by a wave of dust which had been collecting on the surface that almost made my sneeze. I figured since I had…

Compound eye of red cotton bud (Dysdercus)

Like other insects cotton bug has compound eyes. Their eyes are called compound eyes because they are made up of repeating units, ommatidia, each of which functions as a separate visual receptor.

Fore wing of red cotton bug (Dysdercus)

 Dysdercus is commonly known as red cotton bug. It is a pest of cotton plant. The adult cotton bug has pair of black spot on the forewings. This wing is called hemielytra. The basal half of the wing is thick and leathery. The distal half in membranous. They are protective in function and not involved…