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02/02/2025
There is a “gravity hole” in the Indian Ocean — a spot where Earth’s gravitational pull is weaker, its mass is lower tha...
29/01/2025

There is a “gravity hole” in the Indian Ocean — a spot where Earth’s gravitational pull is weaker, its mass is lower than normal, and the sea level dips by over 328 feet (100 meters).

It is centered about 1,200 km (750 mi) southwest of Kanyakumari (a.k.a. Cape Comorin), the southernmost tip of the Indian subcontinent. The circular depression in the ocean has an area of about 3 million sq km (1.2 million sq mi), which is almost the size of India itself.

Scorpions have a unique characteristic: their exoskeletons contain a molecule called beta-carboline, which fluoresces un...
28/01/2025

Scorpions have a unique characteristic: their exoskeletons contain a molecule called beta-carboline, which fluoresces under ultraviolet (UV) light, making them glow in the dark.

This glow-in-the-dark layer is incredibly durable and can persist even in fossils that are hundreds of millions of years old. This is because the beta-carboline molecule is highly resistant to degradation over time.

As a result, even fossilized scorpions from ancient times can still exhibit this glowing effect when exposed to UV light.

27/01/2025

What is a cool scientific fact that you know that sounds unbelievable?

While plants evolved on land some 700 million years ago, flowers are a relatively new feature, appearing "only" 130 mill...
27/01/2025

While plants evolved on land some 700 million years ago, flowers are a relatively new feature, appearing "only" 130 million years ago. Flowers have helped plants expand across the world, and flowering plants now make up 90% of all plants on land.

Plants use their flowers to attract insects and other animals. The colour and smell appeal to these pollinators, who are rewarded for visiting with sweet nectar to eat. The pollinators also collect pollen when visiting, carrying this from flower to flower.

This is a vital part in how flowering plants make seeds. Flowering plants compete to stand out against other flowers and have evolved unique scents. Not all of these smells are nice, though - the co**se flower attracts flies and beetles by smelling like rotting meat.

Some flowers have no scent because their colourful petals are enough to make pollinators notice them. Other plants don't have smelly flowers because they are pollinated by the wind blowing their pollen around. These plants, like grasses, have very small feathery flowers that "catch" pollen out of the wind.

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