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Let's just add this to the list of"what ifs"

Let's just add this to the list of"what ifs"

1.8M views4 weeks ago

The dominant resident male of the pride is dependent on the females for most of the food & territory maintenance.He cannot afford to provoke or fight a female. Since the females of a pride are typically sisters or close relatives, they unite against the male if he threatens any one of them, & in such a battle, he may be killed.This dependence on females, for both defence and reproduction, keeps the male in check. The resident male's biggest evolutionary disadvantage for hunting is his large, dar

The dominant resident male of the pride is dependent on the females for most of the food & territory maintenance.He cannot afford to provoke or fight a female. Since the females of a pride are typically sisters or close relatives, they unite against the male if he threatens any one of them, & in such a battle, he may be killed.This dependence on females, for both defence and reproduction, keeps the male in check. The resident male's biggest evolutionary disadvantage for hunting is his large, dar

1M views1 month ago

x.comHimanshu Tyagi, IFS

In primates, gestures like placing a hand on the face or resting the chin on the hands tend to increase following aggressive disputes or social conflicts.Gorillas have highly complex neural networks & can process past social interactions & disputes. Unlike chimpanzees, who often resort to physical touch to reconcile after conflicts, gorillas frequently sit quietly near their partners to diffuse tension.We share over 98% of our DNA with gorillas. Our limbic system, the part of the brain responsib

In primates, gestures like placing a hand on the face or resting the chin on the hands tend to increase following aggressive disputes or social conflicts.Gorillas have highly complex neural networks & can process past social interactions & disputes. Unlike chimpanzees, who often resort to physical touch to reconcile after conflicts, gorillas frequently sit quietly near their partners to diffuse tension.We share over 98% of our DNA with gorillas. Our limbic system, the part of the brain responsib

286.3K views1 month ago

x.comHimanshu Tyagi, IFS

During the 13th century, the Mongols established the largest contiguous empire, built largely on the back of their semi-wild Mongolian horses.Unlike Europeans, who favoured heavily shod horses with iron nails, Mongols favoured barefoot horses.Running across the tall grasslands of the Mongolian steppe, their hooves were naturally trimmed & became incredibly tough.However, as Genghis Khan expanded into the rocky, mountainous terrain of China & Persia, conditions changed completely. To protect hoov

During the 13th century, the Mongols established the largest contiguous empire, built largely on the back of their semi-wild Mongolian horses.Unlike Europeans, who favoured heavily shod horses with iron nails, Mongols favoured barefoot horses.Running across the tall grasslands of the Mongolian steppe, their hooves were naturally trimmed & became incredibly tough.However, as Genghis Khan expanded into the rocky, mountainous terrain of China & Persia, conditions changed completely. To protect hoov

1.1M views1 month ago

x.comHimanshu Tyagi, IFS

Before you start to believe this, here is the science behind it.Banana stems are not wood --> they are succulent stems made of tightly compressed leaf sheaths (called pseudostems). There is no hollow space inside, so a fish, as shown in this video, cannot curl up and live inside it.Further, fish need well-oxygenated, open water to survive. Although the banana pseudostem is highly hydrated, it contains cellular fluid --> not open flowing water. The moment you push a fish even into a hollowed stem

Before you start to believe this, here is the science behind it.Banana stems are not wood --> they are succulent stems made of tightly compressed leaf sheaths (called pseudostems). There is no hollow space inside, so a fish, as shown in this video, cannot curl up and live inside it.Further, fish need well-oxygenated, open water to survive. Although the banana pseudostem is highly hydrated, it contains cellular fluid --> not open flowing water. The moment you push a fish even into a hollowed stem

17.8M views2 months ago

x.comHimanshu Tyagi, IFS

Honeybees are incredibly sanitary creatures; they do not defecate inside their hive.Honeybees hold their waste for days, weeks, or even months during winter. When temperatures warm up & they venture outside, they take a "cleansing flight," defecating well away from the hive.Their primary diet is pollen and nectar. Although pollen is highly nutritious, its outer shell is tough to digest. As a result, bees excrete pollen husks, plant lipids & natural pigments, giving their waste its characteristic

Honeybees are incredibly sanitary creatures; they do not defecate inside their hive.Honeybees hold their waste for days, weeks, or even months during winter. When temperatures warm up & they venture outside, they take a "cleansing flight," defecating well away from the hive.Their primary diet is pollen and nectar. Although pollen is highly nutritious, its outer shell is tough to digest. As a result, bees excrete pollen husks, plant lipids & natural pigments, giving their waste its characteristic

1.6M views1 month ago

x.comHimanshu Tyagi, IFS

When a tiger truly hunts, its bite force exceeds 1,050 PSI. It is almost impossible for a person to even touch a tiger's nose while it is in attack mode in the wild, let alone suffocate it by punching its nose. A tiger's bite doesn't just puncture skin; it nearly crushes bone & incapacitates organs. Further, during an actual hunt, the tiger is flooded with adrenaline & enters a hyperfocus state, so minor discomfort from pinching its nose wouldn't even register. When a tiger is locked onto prey,

When a tiger truly hunts, its bite force exceeds 1,050 PSI. It is almost impossible for a person to even touch a tiger's nose while it is in attack mode in the wild, let alone suffocate it by punching its nose. A tiger's bite doesn't just puncture skin; it nearly crushes bone & incapacitates organs. Further, during an actual hunt, the tiger is flooded with adrenaline & enters a hyperfocus state, so minor discomfort from pinching its nose wouldn't even register. When a tiger is locked onto prey,

82.1K views3 weeks ago

x.comHimanshu Tyagi, IFS

Unlike most carnivores, hyena cubs are born with sharp canines & incisors, & open eyes.Hyenas live in complex matriarchal clans of up to 100 individuals. Living in such complex societies demands strength & social awareness from birth.When a mother gives birth to twins, the dominant cub will begin biting & fighting the weaker one almost immediately. In many cases, the dominant cub restricts the weaker one's access to milk, & sometimes kills it outright.Hyena milk is among the most nutritious of a

153K views3 weeks ago

x.comHimanshu Tyagi, IFS

A male coalition rarely holds a pride for more than 2 to 3 years, so the window to pass on his genes is narrow.When a new coalition takes over, the incoming males typically kill the existing cubs in the pride, forcing the females back into estrus.But females have evolved a collective counter-strategy.When a new coalition takes over, a single female may mate up to 100 times a day, across an entire week, with all the males in the coalition.This causes the females to enter their reproductive cycles

213.5K views1 month ago

x.comHimanshu Tyagi, IFS

An octopus arm is a semi-autonomous mind.An octopus has > 500 million neurons, and 2/3 of them lie in its arms. Each arm has its own axial neural cord running down its length.The central brain acts as the CEO, issuing major commands, while the arms carry out tasks like moving & bending on their own, without any micromanagement from the head.Octopus suckers are remarkably sensitive. When they wrap around a human finger (like in this video), they don't just feel texture; they also detect smell and

965 views1 month ago

x.comHimanshu Tyagi, IFS

Razor clams come out of their burrows due to stress & chemical irritation.Razor clams are adapted to the normal salinity of seawater (around 3.5%). When the tide retreats, they burrow deep into the sand, only emerging again when the tide returns.But when salt is sprinkled into their burrows, osmosis kicks in.The sudden increase in salt concentration outside the clam's body causes water to flow outward, from the lower concentration inside the clam to the higher concentration outside. This is osmo

1.1M views1 month ago

x.comHimanshu Tyagi, IFS

African wild dogs vote with sneezes. The sneezing democracy.African wild dogs live in tight packs. Before heading out on a hunt, they follow a voting system, using sneezes to build consensus about whether to go.If a dominant pair initiates the hunt, fewer votes are needed from the rest of the pack. But if a subordinate dog wants to lead the hunt, it needs a much higher number of sneezes from others, effectively a supermajority, before the pack will leave the resting site & take on the risk of a

2.3M views1 month ago

x.comHimanshu Tyagi, IFS

Octopuses have three hearts & blue blood, and there is a reason for both.They have one primary heart, whose job is to pump oxygenated blood to all the organs of the body. The two secondary hearts are located at the base of each gill & work to forcefully push deoxygenated blood through the gills, where it absorbs fresh oxygen from the water.Unlike us, who rely on iron-based haemoglobin in red blood cells to carry oxygen, octopuses have copper-based haemocyanin. When haemocyanin binds with oxygen,

1.3M views1 month ago

x.comHimanshu Tyagi, IFS

Hippos can't actually swim. They walk, run, or gallop along the riverbed.Unlike most aquatic & semi-aquatic mammals, hippos have dense bones & massive muscle mass. The moment they let their bodies go limp in water, they sink straight to the bottom.So instead of fighting this, hippos take advantage of their negative buoyancy to walk or run along the bottom.Water makes them feel lighter, so when their feet push off the riverbed, it propels them forward in a series of leaps, covering good distances

64K views1 month ago

x.comHimanshu Tyagi, IFS

Parveen Kaswan, IFS (@ParveenKaswan) on X

244.4K views2 weeks ago

x.comParveen Kaswan, IFS

The honeybee air-conditioning system is deep science & teamwork.A honeybee colony needs to maintain brood nest temperature between 32°C & 36°C to ensure proper larval development. During heatwaves, hives can easily overheat, & when they do, bees cool the hive through evaporative cooling.Three categories of bees handle this through division of labour: foragers, receivers, & fanners.When the hive overheats, receiver bees crowd at the entrance, signalling foragers to collect water. Foragers fly out

27.8K views1 month ago

x.comHimanshu Tyagi, IFS

A brew with Romeo? Go on then. ☕Taking five with Romeo Lavia and @IFS.

149.9K views1 month ago

x.comChelsea FC

Multiple interpretations at how the entire drama of forcibly taking over of a Gurdwara sahib by some people ended. While some may call it abject surrender by the Govt without teaching the guilty a lesson, others heaved a sigh of relief as situation is diffused. The third group may ask what prevented the Govt to arrest them after they came out. The fourth interpretation seems the forthcoming Punjab elections forced the Govt not to act. And then, maybe not a big enough yet a strong radical group,

9.6K views1 month ago

x.comAmar Jit Singh IFS(Retd)🇮🇳

When humans remain inactive for long periods, we suffer significant loss of muscle mass.Bears, by contrast, spend months in their dens during hibernation & experience almost no muscle loss at all.In humans, the body breaks down proteins & produces toxic ammonia as a byproduct. The liver converts ammonia into urea, the kidneys filter it from the blood, & it is expelled as urine. During prolonged inactivity, muscles break down for energy & the resulting urea is lost, taking the building blocks of

7.8K views2 weeks ago

x.comHimanshu Tyagi, IFS

Saw these terrifying videos, where cobras are the bed mates…Scary. They will come out during the rains and will be seen at the most unexpected places. Please be careful.

34.6K views1 week ago

x.comSusanta Nanda IFS (Retd)

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