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A Flea's Fantastic Jump Takes More Than Muscle | Deep Look
A Flea's Fantastic Jump Takes More Than Muscle | Deep Look Ambakisye-Okang Dukuzumurenyi 32 Views • 6 years ago

Before they can bite your cat or dog, these little "itch hikers" make an amazing leap 100 times faster than the blink of an eye. So how do they do it?

DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.---Spring is here, and with it, the start of flea season. With the warming weather, people and their pets are spending more time outside — which increases the chances of bringing home a hungry “itch hiker.”While pet owners curse the tiny insects and look for a way to rid them from their homes, it turns out fleas actually perform some remarkable athletic feats, like jumping 50 times their height — the equivalent of a human jumping 300 feet — or leaping so fast that they take off 100 times faster than the blink of an eye.No larger than a sesame seed and flattened side to side, fleas can slip through fur with ease. Their jump is so fast they seem to simply vanish and reappear somewhere else.“It's there and then it's gone,” said Gregory Sutton, a professor of biomechanics at the University of Lincoln in the United Kingdom.

--- What do flea eggs look like?After feeding on blood, adult fleas mate and lay eggs. The eggs drop out of their host animal’s fur or feathers and into their bedding or nest. The eggs are translucent white and very small. At 0.5mm the eggs are about the size of a grain of salt.

--- Why do fleas bite me?Blood is a protein-rich food for fleas. Adult fleas feed on blood before they can procreate.

--- Why does my dog/cat keep getting fleas?Fleas are nest parasites. Their eggs fall from the host animal into its bedding where they hatch. The worm-like larvae feed on organic debris (including the adult fleas’ feces) in the bedding. They then curl up into a cocoon and undergo metamorphosis into their adult form. Flea baths tend to kill the fleas currently on the pet, but there may still be flea eggs and larvae in the pet’s bedding. When those young fleas mature they may reinfest the pet.

Read the entire article on KQED Science:
https://www.kqed.org/science/1....957872/a-fleas-fanta

For more information:Why do Large Animals Never Actuate Their Jumps with Latch-Mediated Springs? Because They can Jump Higher Without Them. (Gregory P Sutton, Elizabeth Mendoza, Emanuel Azizi, Sarah J Longo, Jeffrey P Olberding, Mark Ilton, Sheila N Patek)https://academic.oup.com/icb/a....rticle/59/6/1609/554

Big tings a gwan Jamaicans in Lagos Nigeria speaking Yoruba. Ebi Adele Abodedele Episode 18
Big tings a gwan Jamaicans in Lagos Nigeria speaking Yoruba. Ebi Adele Abodedele Episode 18 T. Y. Adodo 43 Views • 2 years ago

Determined Jamaican ladies give us an insight into why they left the UK for Nigeria despite objections from their Jamaican parents. These determined ladies have lived happily in Nigeria for over 50 years and have forged a good life for themselves and their families. They can even speak Yoruba!

Subscribe to our channel as we navigate the twists and turns of adapting to life in Lagos Nigeria. Whether you are a travel enthusiast, or simply curious about life in Africa.

Hit that subscribe button, like tap the notification bell, and join us on this extraordinary adventure!

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Email: info@erinjogunola.com
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Statistical Significance: Is Most Published Research Wrong?
Statistical Significance: Is Most Published Research Wrong? Ambakisye-Okang Dukuzumurenyi 27 Views • 5 years ago

Mounting evidence suggests a lot of published research is false.
Check out Audible:
http://bit.ly/AudibleVe
Support Veritasium on Patreon: http://bit.ly/VePatreon

Patreon supporters:
Bryan Baker, Donal Botkin, Tony Fadell, Jason Buster, Saeed Alghamdi

More information on this topic: http://wke.lt/w/s/z0wmO

The Preregistration Challenge: https://cos.io/prereg/

Resources used in the making of this video:

Why Most Published Research Findings Are False:
http://journals.plos.org/plosm....edicine/article?id=1

Trouble at the Lab:
http://www.economist.com/news/....briefing/21588057-sc

Science isn't broken:
http://fivethirtyeight.com/fea....tures/science-isnt-b

Visual effects by Gustavo Rosa

Akinjide Bonotchi Lecture: The Problem With Using Euro-Asian Ways of Knowing to Translate Mdu Ntr
Akinjide Bonotchi Lecture: The Problem With Using Euro-Asian Ways of Knowing to Translate Mdu Ntr Kwaku Obibini 61 Views • 1 year ago

Lecture: The Problem With Using Euro-Asian Ways of Knowing to Translate Medu Netcher

Lecture Details
Date: Sat. Jan. 11, 2025
Time: 3:00pm CST (4:00pm EST)

A brief introduction from SbA Bonotchi:
Metaphysics, esoterica, and spirituality represent the "aAmu," the Euro-Asian, cultural descriptions of the nature of reality, and unfortunately, too many African scholars have adopted them as research paradigms to understand the meaning of mdu nTr ideas and concepts.

In this presentation, I examine many ideas promoted by some researchers of Kemetic Metaphysics and spirituality. I introduce the “tip-heseb,” The Correct Method, as a vital technical skill and tool for the study of mdu nTr by Afrikan-centered researchers. Afrikan-centered scholars Nana Cheikh Anta Diop Maat Khrew, Akh iqr n Ra, Nana Mut, Rkhty Amen, and Nana Baba, Theophile Obenga introduced the “tip-heseb,” The Correct Method, and its value to Afrikan researchers.

Nana Obenga states the value of the study of Kemett, by way of the voice, and language of the people: “Egyptian language (medu netjer) must be learned technically, because this language is the only key to understanding KMT from an intrinsic paradigm. Positive discussion about KMT is no longer sufficient if our aim is to advance the discipline with sound scholarship. In order for us to have a deep and exciting dialogue with KMT it is necessary for us to master the Egyptian language. This requirement is imperative, for without it we have no beginning.”

The Imperishable Beauty of Assata Shakur
The Imperishable Beauty of Assata Shakur AfroN8V 34 Views • 1 year ago

THE IMPERISHABLE BEAUTY OF ASSATA SHAKUR!
Written May 2013, in the wake of the addition of Mama Assata Shakur's to the FBI's Most Wanted Terrorist List. As our Mama has now joined the Ancestors, we share this tribute to her life & legacy.

MOJUBAAAAA MAMA ASSATA SHAKUR!

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Education in Gambia
Education in Gambia Blaxit 32 Views • 6 years ago

Bla Xit go to Brusubi Upper and Secondary School where Makonnen Sankofa (Author) is invited as a special guest to deliver a presentation about his book The Rise of Rastafari. Whilst at the school, we speak to the headteacher Peter Jatta about education.

The Rise of Rastafari by Makonnen Sankofa is available to buy on Amazon via the link
https://www.amazon.com/Rise-Ra....stafari-Resistance-R

To book Makonnen to deliver a lecture or for any enquiries about his book, please contact Makonnen via email - makonnensankofa@hotmail.com

Subscribe to Makonnen's YouTube channel https://www.youtube.com/channe....l/UCiP8DHZ_eEFLJdOn7

Check out the Bla Xit website: www.bla-xit.com

We're appealing for donors, sponsors and paid endorsements so we can continue to produce content. bopcollective@yahoo.com

Become a Bla Xit Messenger (Subscribers only) by sending your video clip to blaxithome@gmail.com

Special thanks to our friend and YouTube Vlogger Wode Maya for helping to set-up the Bla Xit channel. You can follow him on YouTube too https://www.youtube.com/user/MrGhanaBaby

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