Alvinn Espino

[Massimo @Rainmaker1973]

Did you know?

No hurricane has ever crossed the equator, due to the Coriolis force.

[🎞️ Robert Rohde]

[Vala Afshar @ValaAfshar]

Take care of your parents, just as they took care of you. Be loving and present.

[たきせあきひこ(パズル作家/催眠術師) @puzzlepocket]

うまく回っているように見えて、実際はひとつも回ってない歯車を作ってみた

[Massimo @Rainmaker1973]

Fertilization is not random, and the fastest sperm does not always win: in reality, the egg decides who succeeds.

While for decades we were taught that fertilization is a race won by the fastest sperm, a study published in Proceedings of the Royal Society B shows how human reproduction actually works.

Scientists analyzed follicular fluid from 60 couples undergoing fertility treatment at St Mary's Hospital in Manchester, UK. They discovered that the egg releases chemical signals (chemoattractants) that actively attract sperm from certain men over others.

Through these chemical signals, the egg exerts its own biological selection, influencing which sperm manage to get close. The egg appears to favor sperm that offer optimal genetic compatibility with its own genome — particularly in genes related to the immune system — which may help produce healthier offspring.

Interestingly, this cellular preference does not always align with the couple’s conscious partner choice. In many cases, eggs showed stronger attraction to sperm from non-partner males.

This chemical communication demonstrates that female biology continues to evaluate and select options even after intercourse. Understanding this process could lead to more precise solutions for unexplained infertility. Science continues to reveal the remarkable level of biological interaction that occurs during reproduction.

[Fitzpatrick, J. L. et al. (2020). Chemical signals from eggs facilitate cryptic female choice in humans. Proceedings of the Royal Society B, 287(1928), 20200805. DOI: 10.1098/rspb.2020.0805]

[𝗖𝗹𝗮𝘀𝘀𝗶𝗰𝗮𝗹 𝗠𝗲𝗹𝗼𝗱𝗶𝗲𝘀 @Old_But_Gold50s]

Vivaldi's “Winter,” visualized in a fascinating way, so that the auditory experience is even more intense; one can literally “see” the music, so to speak

[Massimo @Rainmaker1973]

Giant wooden marble course

[Akiyoshi Kitaoka @AkiyoshiKitaoka]

回転軸が2つ、それぞれの回転軸につき2方向、全部で4つの見え方が反転する。

x = sin (6 t + φ), y = sin (7 t )

[Vala Afshar @ValaAfshar]

The person you will be in 5 years depends on:

• books or articles you read
• how much more you write
• money you save and invest
• who you work with
• friends you spend time with
• new skills you develop
• the food you eat
• amount of exercise you do
• how much sleep per day
• asking for help when you’re stuck
• connections you make and keep
• promises you make and keep
• where and how far you travel
• doors you open for others
• knowing when to leave
• new habits you develop
• quitting the stuff that holds you back

[Massimo @Rainmaker1973]

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

— Sydney J. Harris

[Massimo @Rainmaker1973]

Right after waking up from a coma, this man went to buy a scratch-off ticket and won a car.

When he was asked to reenact the moment for a news channel, he won $250,000.

[Massimo @Rainmaker1973]

"Lahaina Noon," is a trippy phenomenon that happens twice a year in Hawaii, where all objects lose their shadows.

It begins on O’ahu in 3 days|

[Massimo @Rainmaker1973]

When straight lines appear as waves

[📹 florian.goerlitz]

[Vala Afshar @ValaAfshar]

Jeff Bezos with a very powerful lesson on ideas - too many ideas can create a backlog of unfinished work and a business distraction

[Akiyoshi Kitaoka @AkiyoshiKitaoka]

色立体視と薄氷ドリフト錯視

[Ifeoluwa @ifefas_]

No matter when you pause the video, The Sword will vanish suddenly 😮

[Massimo @Rainmaker1973]

Points of view

[Gina Acosta @ginacostag_]

NVIDIA CEO Jensen Huang’s best career advice:

“Passion isn’t enough, you’ve got to endure.”

[Vala Afshar @ValaAfshar]

Nvidia CEO defines what it means to be smart and importance of seeing around the corners

[Vala Afshar @ValaAfshar]

Nvidia CEO on the early career benefits of joy, ignorance and optimism

[Massimo @Rainmaker1973]

The process of drawing animal logos
https://t.co/CKQloVWGo5