Posts by Uzay Sezen | Nature Documentaries

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Newtok | The Water is Rising / Patagonia Films (2022)

June 7, 2022 at 11:27 am / Global Patterns, Human Nature, Video

Human induced climate change is creating fast coastal landscape changes and during that process turn many indigenous communities into climate refugees. Co-directed by Michael Kirby Smith and Andrew Burton, Newtok | The Water is Rising highlights demise of a population. Rising sea levels threaten Newtok, Alaska. The Arctic permafrost is melting at an increasing rate. Due to Polar Amplification the speed of climatic change in the Arctic is rather fast. To keep their culture and community intact, the Yup’ik residents […]

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Cancer Immunotherapy – Nature Reviews Genetics

May 7, 2022 at 3:50 pm / Human Nature, Molecular Nature, Video

Cancer touches almost everybody’s life. Here in this playlist you can watch a comprehensive summary about molecular and cellular mechanisms involved in cancer biology. Based on this knowledge, various new approaches for treatment is now on the agenda. Some have already showed considerable success. Advances in cancer therapy comes from a number of cutting edge studies and projects including genomics, antibody research and metabolic understanding of cancer cells. The Cancer Genome Atlas project has been revolutionary in understanding the genomic […]

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Popped Secret: The Mysterious Origin of Corn – Nathan Dappen & Neil Losin – HHMI (2015)

May 1, 2022 at 10:02 am / Evolution, Human Nature, Molecular Nature, Video

Domestication of plants and animals is a key transformation in recent Human evolutionary history leading to sedentary farming societies. Domestication of Maize particularly followed a different trajectory from the agricultural crops of the old world. This HHMI documentary tells how the ancestral wild grass called Teosinte was domesticated to evolve into Maize. In the old world, most domesticated grasses had a surprisingly similar “first step” that paved the way towards agriculture. In old world grasses including rice, wheat, barley and […]

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Great White Shark Pup off the Northern Aegean Coast of Turkey

April 6, 2022 at 1:03 pm / Evolution, Natural history, Video, Wildlife Documentaries

Be prepared to hear a fascinating piece of natural history about the Mediterranean great white sharks (Carcharodon carcharias). The story is fascinating for multiple reasons. First, the great whites are one of the most charismatic, vulnerable, cryptic and misunderstood predator fish species. Second, it takes place in a quite unexpected location. Altınoluk is a town on the northern Aegean coast of Turkey. It is located to the south of Troy on a legendary sea route known as the Argonaut route […]

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A Frequently Yawning Rough Green Snake (Opheodrys aestivus)

March 4, 2022 at 8:25 am / Natural history, NatureDocumentaries.org, Short Observations, Video, Wildlife Documentaries

This beautifully bright green snake is a master of disguise. Although they are fairly long (can be up to 81 cm) it is almost impossible to notice them unless you have been curiously scanning the vegetation with a purpose. The Rough Green Snake (Opheodrys aestivus) is behaviorally very docile. It must be a slow day for this particular individual since s/he was frequently yawning. The observation was recorded on 9th of September 2012 at the Georgia State Botanical Garden in […]

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Grey Reef Sharks Mating – Yann Hubert

March 1, 2022 at 1:11 pm / Natural history, Short Observations, Video

Shark life cycle has many elusive stages. Mating is one of these secretive moments. Here in this short observation filmmaker Yann Hubert captures a pair of Grey Reef Sharks (Carcharhinus amblyrhynchos) during copulation. Characteristic clasper organs used by the male to latch onto the female during copulation is very striking. The location and time of the year in this extremely serendipitous encounter is not specified perhaps to avoid disturbance from many curious divers. Grey Reef Sharks are common and live […]

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Australian Walking Stick Insects are Three Times Weirder Than You Think | PBS – Deep Look (2022)

February 11, 2022 at 3:20 pm / Ecological Documentaries, Evolution, Natural history, PBS Nature, Short Observations

It is a seed, no it is an ant, no it is a leaf, no it is a stick,… Actually, it is all of the above through a temporally spaced sequence of disguises (*): It is the Australian walking stick (Extatosoma tiaratum). This insect is indeed a master of deception. It is a fascinating example of a series of adaptations that maximized its survival by multiple versions of mimicry successfully fooling predators at every stage of their life cycle. (*) […]

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Cone-headed Planthoppers (Acanalonia conica) on Passion Flower

February 5, 2022 at 2:11 pm / Evolution, Natural history, Short Observations, Video

This observation has been registered in the iNaturalist database with the following accession 105647409. Observed on August 9, 2014 at the Georgia State Botanical Garden in Athens, GA, USA. Here, you can see a number of cone-headed planthoppers (Acanalonia conica) feeding on a passion flower vine (Passiflora incarnata). The passion flower family (Passifloraceae) is well known for its sugar producing glands called extrafloral nectaries. These nectaries attract ants and here in this observation we see two species of ants (Formica […]

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Ants Defending Plants

February 4, 2022 at 11:00 am / Ecological Documentaries, Evolution, Natural history, NatureDocumentaries.org, Video, Wildlife Documentaries

Plant eaters are called herbivores and they pose a threat for plants. Understandably, nobody would like to get eaten. In order to prevent tissue loss and damage from herbivores plants have evolved defensive adaptations such as hard to digest tissues and poisonous chemicals. Some plants however, have evolved a different solution. Plants can use nectar as drivers of beneficial behaviors such as pollination and protection from herbivores. Nectar is an attractive fluid for many animals. It is a rich calorie […]

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Live from Geldingadalir Volcano, Iceland (2021)

February 2, 2022 at 10:28 am / Global Patterns, Video, webcams

Be it Mount Ararat or Mount Chimborazo, every massive stratovolcano was once upon a time a tiny little pimple on the Earth’s surface. It is most certainly very fascinating to see a baby volcano being born, a geological process that will last a very long time. The first technical description of lava flow comes from the ancient geographer Strabo of Amaseia. In his book, he describes the Katakekaumene, which means the “burnt country” referring to a region of around 1,800 […]

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NASA TV live

December 26, 2021 at 8:47 am / Cosmological, Global Patterns, Human Nature, Video

Ever since the successful landing of Mars rover Curiosity in August 6th of 2012, NASA TV broadcasts have experienced a big surge in viewers. Since then many other successful missions and interesting Earth-based as well as cosmic phenomena have been transmitted to curious masses of viewers all over the world. NASA TV has a rich body of programming including recording and analysis of significant global events such as the Chelyabinsk airburst event. There are regular broadcasts from the International Space […]

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Forest Dynamics of North America Over 25 Years

December 20, 2021 at 8:14 pm / Ecological Documentaries, Global Patterns, NatureDocumentaries.org, Video

Using the images captured by the Landsat satellites, landscape ecologists produced a comprehensive visualization of decades of forest dynamics shaped by human management and natural disturbances. Dark green pixels had no disturbances in the 25 years studied. Yellow shows where a disturbance happened in a particular year. At this scale, what really stands out are the large fires in the West and timber harvesting in the Pacific Northwest, Maine, and all across the Southeast. Climate scientists need to know the […]

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A Satellite-eye View of Three Decades of Deforestation in the Amazon

December 17, 2021 at 1:39 pm / Ecological Documentaries, Global Patterns, NatureDocumentaries.org, Video

This short documentary compiles satellite-tracked evidence for Brazilian Amazon rainforest destruction between 1985 and 2018. How do you map and quantify the Amazonian deforestation? The data recorded by the Landsat has revealed the stark rate of the Amazon deforestation in great detail. The Amazon is the largest rainforest in the world. It covers an area roughly equal to that of the continental United States. In a time series spanning over three decades, starting the year of 1985, we can observe […]

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Landsat 9: part 1, Getting Off The Ground – NASA Goddard Space Flight Center (2020)

December 16, 2021 at 1:18 pm / Global Patterns, Video

Landsat missions span for more than half a century starting from 1972. In this first episode of the four part mini series we explore how the project got started and what sorts of challenges were faced during the initial design of this legendary Earth observing instrument. The episode introduces people including William Pecora, Stewart Udall and Virginia Norwood who were pivotal in realization of Landsat 1. The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA […]

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Landsat 9: part 2, Designing For The Future – NASA Goddard Space Flight Center (2020)

December 16, 2021 at 1:13 pm / Global Patterns, Video

We cannot protect our planet if we cannot understand it. Understanding a complex system requires accurate measurements and quantification of dynamic processes. The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey (USGS).Landsat missions span for more than half a century starting from 1972. The unbroken sequence of images covering the entire Earth’s surface provide an invaluable record of historical land use. In this second episode of the four part mini […]

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