science

Jackal's horn

Jackal's horn is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Jackal's horn rather than just read about it. In short: The Jackal's horn (Urdu: گیدڑ سنگھی) is a mythical boney cone-shaped excrescence which is said to occasionally grow on the skulls of golden jackals. It is associated with magical powers in South Asia.

Key takeaways

Jackal's horn belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Jackal's horn to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Jackal's horn from memory before moving on to harder problems.

Reference excerpt

The Jackal's horn (Urdu: گیدڑ سنگھی) is a mythical boney cone-shaped excrescence which is said to occasionally grow on the skulls of golden jackals. It is associated with magical powers in South Asia. Despite the lack of proof for its existence it is still widely believed to be real. This horn supposedly usually measures half an inch in length, and is concealed by fur. In the 1800s, the natives of Sri Lanka called this growth narric-comboo, and both Tamil and Sinhalese people traditionally believe it to be a potent amulet which can grant wishes and reappear to its owner at its own accord when lost. Some Sinhalese believe that the horn can grant the holder invulnerability in any lawsuit. According to healers and witch doctors in Nepal, a jackal horn can be used to win in gambling bouts, and ward off evil spirits. The Tharu people of Bardia (Nepal) believe that jackal horns are retractible, and only protrude when jackals howl in chorus. A hunter who manages to extract the horn will place it in a silver casket of vermilion powder, which is thought to give the object sustenance. The Tharu believe that the horn can grant the owner the ability to see in the dark. In some areas, the horn is called Seear Singhi or "Geedar Singhi" the word "Geedar" is the Urdu translation of Jackal and (the root words being the Persian "Seaah" meaning black, and "Singh" which means horn in Hindi and Urdu) and is tied to the necks of children. The horn is sometimes traded by low caste people, though it is thought that they are in fact pieces of deer antlers sold to the credulous. In Bengal, it is believed that when placed within a safe, jackal horns can increase the amount of money within three-fold. Some criminal elements of the Bengal Sansi will use fake jackal horns to lull unwitting people into trusting them, and will offer to place these horns into their victim's safe in order to discover its location.

References

Illustrations

Jackal's horn: Skull of a Sri Lankan jackal with a horn — Skull of a Sri Lankan jackal with a horn

Worked examples

Example 1 — a first encounter with Jackal's horn

Start with the simplest possible case. Write down what Jackal's horn claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Jackal's horn before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Jackal's horn ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Jackal's horn

In research: Jackal's horn appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Jackal's horn in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Jackal's horn is common in secondary-school and first-year university syllabi. It links to neighbouring topics Amulets, Animal products, Culture of Sri Lanka, so understanding it makes those chapters shorter.
In everyday life: Look for Jackal's horn outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Jackal's horn” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Jackal's horn in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Jackal's horn means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Jackal's horn out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Jackal's horn in simple terms?

Why does Jackal's horn matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Jackal's horn?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Jackal's horn.