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منذ 6 ساعات نشر في ٢٠٢٦/٠٥/٢٦ م

Imam Ali (PBUH) said: You should avoid self-admiration, having reliance upon what appears good in yourself, and love of exaggerated praise because this is one of the most reliable opportunities for Satan.

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Jawad

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منذ 1 أيام نشر في ٢٠٢٦/٠٥/٢٥ م

In plethodonts, the sensory epithelium of the vomeronasal organs extends to the nasolabial grooves, which stretch from the nostrils to the corners of the mouth. These extended areas seem to be associated with the identification of prey items, the recognition of conspecifics, and the identification of individuals.

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منذ 2 أيام نشر في ٢٠٢٦/٠٥/٢٤ م

Imam Ali (PBUH) said: Two things cause people to be destroyed (and lead unto Hell): fear of poverty, and seeking superiority through pride.

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Jawad

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منذ 3 أيام نشر في ٢٠٢٦/٠٥/٢٣ م

Olfaction in salamanders plays a role in territory maintenance, the recognition of predators, and courtship rituals, but is probably secondary to sight during prey selection and feeding. Salamanders have two types of sensory areas that respond to the chemistry of the environment. Olfactory epithelium in the nasal cavity picks up airborne and aquatic odors, while adjoining vomeronasal organs detect nonvolatile chemical cues, such as tastes in the mouth.

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منذ 3 أيام نشر في ٢٠٢٦/٠٥/٢٣ م

Imam Ali (PBUH) said: He who considers himself a great one (self-conceited), is naught with Allah.

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Jawad

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منذ 6 أيام نشر في ٢٠٢٦/٠٥/٢٠ م

Mature adults of some salamander species have "nuptial" glandular tissue in their cloacae, at the base of their tails, on their heads or under their chins. Some females release chemical substances, possibly from the ventral cloacal gland, to attract males, but males do not seem to use pheromones for this purpose.

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منذ 6 أيام نشر في ٢٠٢٦/٠٥/٢٠ م

Imam Ali (PBUH) said: Do not become obstinate (and do not strictly follow your own ideas), because such a one will meet destruction.

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Jawad

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منذ 1 أسابيع نشر في ٢٠٢٦/٠٥/١٩ م

Some salamander toxins are particularly potent. For example, the rough-skinned newt (Taricha granulosa) produces the neurotoxin tetrodotoxin, the most toxic nonprotein substance known. Handling the newts does no harm, but ingestion of even a minute fragment of skin is deadly. In feeding trials, fish, frogs, reptiles, birds, and mammals were all found to be susceptible.

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منذ 1 أسابيع نشر في ٢٠٢٦/٠٥/١٩ م

Imam Ali (PBUH) said: How many wretched people there are whose days are being numbered but yet they are laboriously seeking wealth.

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Jawad

Learning English

منذ 1 أسابيع نشر في ٢٠٢٦/٠٥/١٨ م

Glands in the skin discharge mucus which keeps the skin moist, an important factor in skin respiration and thermoregulation. The sticky layer helps protect against bacterial infections and molds, reduces friction when swimming, and makes the animal slippery and more difficult for predators to catch. Granular glands scattered on the upper surface, particularly the head, back, and tail, produce repellent or toxic secretions.

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منذ 1 أسابيع نشر في ٢٠٢٦/٠٥/١٨ م

Imam al-Sadiq (PBUH) said: He who devotes his heart to this world will be subjected to three conditions: endless grief, unquenchable desire, and futile hope.

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منذ 1 أسابيع نشر في ٢٠٢٦/٠٥/١٧ م

Imam al-Sadiq (PBUH) said: If a son of Adam possessed two vast valleys wherein gold and silver flowed, he would still wish to search for the third one.

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