Are we the first?

In 1950, the Italian physicist Enrico Fermi was chatting with his colleagues at the Los Alamos National Laboratory(1). They talked about recent rise in UFO reports, then the conversation shifted to other subjects. But during the lunch, Fermi suddenly asked “Where is everybody?”. He was talking about the extraterrestrial life, especially intelligent life. He made some calculations on the probability of Earth like planets, the beginning of life, the probability of intelligent life and high technology and concluded that we ought to have been visited long ago and many times over.

But, there is no reliable evidence aliens have visited Earth and we have observed no intelligent extraterrestrial life with current technology nor has SETI found any transmissions from other civilizations. The Universe, apart from the Earth, seems “dead”.

So, where is everybody?
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Timeless Dreams – the Earth in daytime and nighttime

You must watch this! An amazing video by the filmmakers led by Julian Tryba: in May 2015, over the span of three weeks, they traveled in the Southwest of the United States (3,000 miles through Utah, Arizona, Nevada, and California) and filmed timelapses of several strikingly beautiful landscapes. Then they spliced the films together to create this wonderful video, a strange day-night world.
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Your Life On Earth (presented by BBC)

A nice interactive webpage by the BBC – The British Broadcasting Corporation: how you and the world have changed since you were born? You’re simply entering your birth date, gender and height; selecting units (metric or imperial/US) and then watching how our planet (and you) has changed in your lifetime.
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Dolphins “rode” the heads of whales in the coast of Hawaii

In two different locations in the coast of Hawaii, scientists have observed unusual interactions between bottlenose dolphins and humpback whales as dolphins “rode” the heads of whales: the whales lifted the dolphins up and out of the water, and then the dolphins slid back down. In the video published by the American Museum of Natural History, the two species seemed to cooperate in the activity, and neither displayed signs of aggression or distress. Whales and dolphins in Hawaiian waters often interact, but playful social activity such as this is extremely rare between species.
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Photographs taken during the Apollo program now on Flickr

Thousands of (more than 9600) photos taken by the astronauts during the Apollo Program (1966-1972) now on the popular image and video hosting website Flickr. Network and administrative data systems specialist and Project Apollo Archive‘s creator Kipp Teague recently updated new and unprocessed versions of original NASA photo scans to the image sharing site.
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Top 6 biggest prehistoric crocodiles ever lived

Previously, I published a post about the largest crocodiles ever recorded. All sizes in that post were recorded in the recent times. The crocs listed were large, yes, but not as big as most people think. But in the prehistoric ages, some animals were much bigger than today’s counterparts – including crocodiles. So, what was the World’s biggest crocodile ever lived? Here are the top six candidates.
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