Feathers of pigeon- black and white coloured strands

College : CMR National PU College, ITPL, Bengaluru Sample: One feather of Columbia livia(pigeon) Site of sample collection: CMR National PU College, ITPL Date of Collection: 19 February 2019 Date of Observation: 19 February 2019 Students involved: Navyaa Shah, A.S.Vidisha, Malavika Rajesh The specimen observed were two strands taken from the same quill feather of…

Pests on Tulsi plant observed under foldscope

Tulsi plant in my garden showed small black spots on the leaves. I fixed them on a slide and observed under the foldscope to see mealy bugs. What type of pests are these only a plant pathologist can tell, but it is a serious issue that even Tulsi plant which is a medicinal plant can…

Larval stages of Filarial nematodes

One milliliter of blood was mixed with nine milliliter of 2% formalin. The mixture was centrifuged at 5,000 rpm for 5 min and the supernatant was discarded. To the sediment, few drops of methylene blue solution was added. A drop of the solution was placed on slide with a cover slip above and examined under…

Foldscoping at Beach in Ventura, CA

The joy of sharing foldscope never wears out on me. Had a really fun moment with the incredible Noa from UCSB, Tyler Ross from Caltech and Kranti from UC Berkeley. The smiles truly tell a special story. In the conversation, I also proposed a little project to explore whet determines the frequency of gill beating…

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.

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.

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.

Hind wing of black shiny leaf beetle (Paria sp.)

Beetle wings are composed of forewing known as elytron and hind wing. The elytra are rigid. A beetle’s functional wings which flying, are the hind wings. Hind wings are thin are kept under the elytra when are rest.

Inverted egg of Lady Beetle

Adult female ladybird beetles usually lay clusters of eggs on plants in the vicinity of aphis, scale, or mealybug colonies.

Foldscope helped unfold the myth of potatoes with purple veins

While cooking potatoes, I took potatoes which looked normal from outside, but when I cut open a raw potato it showed purple veins from inside. My mother-in-law told me to throw as it was poisonous. I wondered what it could be due to? I scrapped a few cells on a slide to observe the difference…

Fungal spores on yeast cupcakes

Yeast cupcakes left unattended for some period were seen to get contaminated and some fungal growth developed. Sample was drawn from the infected portion and a temporary mount was prepared to observe under a foldscope to find Aspergillus species.

Fungi Everywhere -6

Sample -6 is of fungi growing on black grapes. I spotted white cottony fungal growth on black grapes stored in refrigerator. Fungal growth on grapes may have developed due to rotting. I picked a sample from the rotting portion and fixed it on a slide to peep through the foldscopee. I could make out a…

Peristomial teeth and spores of Funaria (moss) under foldscope

In my practical class of Plant Biodiversity, we were given Funaria plants with sporophyte for study. The sporophyte of Funaria was found to be differentiated into foot, seta and capsule. Foot was embedded in the plant body. Seta is a long, cord-like hygroscopic structure that holds the capsule high. Capsule is erect when young but…

Winter vegetable at my Kitchen garden – Brocolli pollen

Broccoli is an edible green plant in the cabbage family whose large flowering head is eaten as vegetable. Botanically known as Brassica oleracea var. italica is growing as a winter vegetable in my kitchen garden. The plants are bearing yellowish-green flowering corymbs these days. So, I plucked some flowers to isolate their pollen and observed…

Wild plants of Chandigarh – Specimen 5 (Chickweed )

Common name – Chickweed Botanical name – Stellaria media  Family – Caryophyllaceae Collection site – Sector 32, Chandigarh Habitat – Common chickweed is a very common annual weed of lawns and fields. Habit – Winter annual herb Stem –  Erect, branched, herbaceous, green, pubescent bearing a single row of hairs on alternating sides Leaves –…

Muddy Water – Bio60_2019

This video was taken through a foldscope. The video shows muddy water which was acquired from around the Bay Area near Stanford University. It was incredible that the foldscope was able focus on the microbes in the sample. The sample in the video was prepared by using a normal glass slide with a cover slip….

Glandular Trichomes of Stellaria under foldscope

In Stellaria media, the common chickweed several hairy appendages were seen on the surface of stem and sepals. These were fixed on a slide and observed under foldscope to study their structure. It was amazing to see that these were glandular trichomes consisting of a stalk that was either unicellular & uniseriate, unicellular and multi-seriate…