pale blue dot
An alligator’s brain weighs only 8 or 9 grams, and it has the size of a walnut, but that doesn’t mean they are stupid. In fact, they’re much smarter than you’d think. In Everglades National Park in the United States, a 400-pound (181 kg) gator displays a clever way and uses a bait branch stick …
Continue reading “Gator Uses a Bait Stick to Catch Egrets (Video)”
A spectacular video (drones sacrificed while shooting it!) from National Geographic: explorer Sam Cossman operated camera-mounted drones to capture high-definition images of the Marum crater (also spelled Maroum) in Ambrym, Vanuatu. Vanuatu is a Pacific island nation located in the South Pacific Ocean.
In 2006, Planet Earth, the British television series produced by the BBC Natural History Unit “has changed our view of the world”. It was the first nature documentary series filmed in high definition. The making took five years and it was the most expensive nature documentary series ever commissioned by the BBC. Now, ten years …
Continue reading “Planet Earth II Official Extended Trailer”
What if Mars still had liquid water on its surface and a thick atmosphere filled with clouds, like Earth? How would it look like? Software engineer Kevin Gill of JPL (NASA’s Jet Propulsion Laboratory) wondered this and prepared an image using data from NASA’s Mars Reconnaissance Orbiter (MRO, see notes 1) and Mars Orbiter Laser …
Continue reading “This is how Mars would look if it still had water”
The Saffir-Simpson hurricane wind scale (SSHWS) is a 1 to 5 rating based on a hurricane’s sustained wind speed. The Weather Channel meteorologist Mark Elliot prepared a video titled “Why Hurricane Categories Make a Difference” and explained what each category means.
Elon Musk, the founder, CEO, and Lead Designer of the private space travel company SpaceX announced that “they are planning to get humans to Mars in six years”. In order to achieve this goal, Musk revealed the Interplanetary Transport System, which aims to reach Mars with a human crew for the first time in history.
Previously I posted two articles titled “If The Moon Were Only 1 Pixel – A Tediously Accurate Map Of The Solar System“, and “A Scale Model of Solar System Drawn in the Desert and the Result is Stunning“. In these posts, science enthusiasts have shown the scale of the solar system realistically. Since the human brain …
Continue reading “The scale of the Solar System and the first flybys of planets”
What are the fastest land animals? Like all the “biggest”, “fastest”, “largest”, etc. animals lists on the Internet, there is a tendency to overestimate also their top speeds. Even the speed of the world’s fastest land animal, the cheetah’s top speed is usually highly overestimated. In fact, measuring an animal’s speed is a very hard …
On August 24, 2016, a group of scientists led by Dr. Guillem Anglada-Escude at the Queen Mary University of London, announced the discovery of a terrestrial exoplanet orbiting the red dwarf Proxima Centauri, the nearest known star to the Sun. Proxima Centauri is a Latin idiom, meaning “nearest (star) of Centaurus” (see notes 1). The …
The Okavango Delta is a unique pulsing wetland where the 1,600 km (990 mi) long Okavango River reaches a tectonic trough in the middle of the Kalahari Desert in northern Botswana. Each year approximately 11 cubic kilometers of water spread over the 6,000-37,500 km2 area. It is on the UNESCO World Heritage List as well …
