Lizards are poikilothermal (cold-blooded) and their body temperature fluctuates with outside temperature. When it’s extremely cold, lizards face the danger of either their blood freezing up or their temperature dropping drastically, as a result of which they become immobile and can easily fall prey to enemies. Hence, lizards hibernate in cracks of walls or beneath the soil. During this period, …
Read More »Why do butterflies have powder on their wings?
The wings of butterflies are covered with small scales. These tiny scales produce magnificent colours and pattern by optical interference of light. The tiny scales reflect and disperse light producing the brilliant colours. When we touch the wings of a butterfly these tiny scales come out in the form of powder, thereby leaving the surface of the wings colour less. …
Read More »Why do some insects get attracted towards light?
Radiation emitted by light sources are responsible for attracting insects towards it. A series of experiments have confirmed that a narrow band of infra-red radiation emitted by light sources attract insects. A study was conducted on moths. It was observed that, only the males of the species got attracted towards the light source, mistaking it for female moths. Female moths …
Read More »How can you distinguish between poisonous and non-poisonous snakes?
All snakes have poison glands, but the presence of fangs for injecting venom and the type determines whether a snake is poisonous or not. Fangs are normally present in the upper jaw. Snakes with tubular fangs, small scales on the head and wide belly-scales running across its width are poisonous. Snakes with solid fangs or without fangs, and short scales …
Read More »Why does a wasp sting result in swelling?
The venom of a wasp contains histamine, sarotonin acetylecholine and severaler kinins. These chemical compounds cause dilatation and increased permeability of blood capillaries, leading to oozing of a fluid.This causes local redness and swelling. Funny Logic The sting presses one into immediate action-to apply an antidote on the right spot.
Read More »How do fish sleep?
Fish like any other creature need rest and they tend to sleep. Even at rest, fish continue to move their fins to keep afloat. Since fish have no eyelids they cannot close their eyes while sleeping. But while asleep, a fish is probably unaware of the impressions received by its eyes. Some fish sleep on the sea, river or pond …
Read More »How is musk obtained from musk-deer?
Musk is produced by the male musk-deer (Moschidae family), found in the wet mountain forests of the Himalayas. A gland in the abdomen of the deer produces musk, a pungent oily jelly which is used in perfumes to make the scent last longer. The musk-deer has become an endangered species because it is killed for the gland. Funny Logics By …
Read More »How can cockroaches withstand high doses of radioactivity?
Cockroaches have a hard, resistant outer covering of chitinous tissue, which, it is believed, can help them survive a nuclear explosion. Funny Logics They take inspiration from Saddam Hussein and Slobodan Milosevic. They are short on cost and long on service.
Read More »How does a spider create its web?
A spider’s web is made of liquid secreted from its abdomen. It solidifies into fine threads after coming into contact with air. Some threads are sticky, others are soft. The sticky threads are meant for trapping prey. Funny Logics Much in the same way as Bill Gates creates his. By choosing a suitable website.
Read More »कूबर पेडीः ज़मीन के अंदर बसा है पूरा क़स्बा
कूबर पेडीः दुनिया बहुत बड़ी और रंगीन है, जहां बहुत तरह के लोग अपने अपने अंदाज और तौर-तरीकों से रहते हैं। दक्षिणी ऑस्ट्रेलिया में कूबर पेडी नाम का एक छोटा सा गांव हैं। इस गांव की खासियत यह है कि यहां ज्यादातर लोग जमीनों के नीचे अंडरग्राऊंड होकर रहते हैं। यहां ओपल की कई खदानें हैं। अकेले कूबर पेडी में …
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