Science Videos
Science Videos
NASA’s Artemis II mission is on track to become the first crewed lunar flight in half a century, with astronauts completing intensive training and simulations ahead of a projected early‑2025 launch. The crew—four veteran astronauts—will ride the Space Launch System (SLS) on a three‑day journey that circles the Moon, validates Orion’s life‑support and communications systems, and conducts a high‑speed re‑entry test of the heat‑shield. Training milestones include a full‑duration flight simulation in the Orion mock‑up, zero‑gravity parabolic flights, and emergency abort drills, all designed to certify the crew’s readiness for deep‑space operations. NASA officials emphasize that the mission will also demonstrate critical propulsion burns, navigation accuracy, and the performance of new software upgrades that will be essential for future surface landings. “Artemis II is the proving ground for the next generation of lunar exploration,” said NASA Administrator Bill Nelson, noting that the crew’s confidence and the spacecraft’s reliability are pivotal. Astronauts have described the experience as “the most demanding preparation of our careers,” underscoring the mission’s technical rigor. If successful, Artemis II will unlock the path for Artemis III’s planned landing on the lunar South Pole, accelerate commercial partnerships, and reaffirm U.S. leadership in deep‑space exploration amid growing international competition.
A new epidemiological study examined whether exercise intensity matters more than total volume in preventing chronic disease. Researchers followed roughly 400,000 adults—about 90,000 with accelerometer data and 300,000 via surveys—over 8‑14 years, averaging ages 50‑60. The analysis found that a higher...
NASA’s Artemis II press briefing highlighted that the crewed lunar‑orbit mission is now two days from its targeted April 1 launch, with all pre‑launch checklists completed and the countdown sequence officially underway. Key milestones were outlined: Orion will be powered up this evening,...
The video warns that everyday items—from grocery receipts to kitchen plastics—are saturated with endocrine‑disrupting chemicals that can undermine health. It cites a study linking BPA‑coated receipts to a 50 % drop in testosterone among adolescent boys, and shows how heating plastic containers...
The video “The Hidden Role of Lymphatic Vessels in Cancer” challenges the long‑standing view that lymphatics are merely conduits for metastasis and should be removed. Researchers at NYU present evidence that these vessels are dynamic regulators of tumor‑immune interactions, opening...
Dr. Tony Wilson presented his laboratory’s work on neurophysiological markers linking inflammation to cognitive impairment in people living with HIV. Leveraging a multimodal imaging platform—MRI, PET, and especially magnetoencephalography (MEG)—his team investigates how viral‑driven immune activation reshapes brain dynamics across...
The video examines a recent American Journal of Clinical Nutrition study comparing artificial sweeteners to sugar, focusing on how sweetener choice reshapes metabolic cravings and enzyme activity. It also references complementary research on genetic determinants of sugar preference. In the 10‑week...
The HHMI BioInteractive video explains how human skin color is a product of natural selection, not a moral attribute. It traces the evolution of melanin, the pigment that shields DNA from ultraviolet (UV) radiation, and shows how scientists used NASA’s...
The National University Center for Organ Transplant (NUCOT) in Singapore marked a milestone by highlighting 35 patients who have lived beyond 25 years after organ transplantation, part of a broader cohort of 77 long‑term survivors. The event underscored the centre’s...
The video examines the Habitable Worlds Observatory (HWO), NASA’s next‑generation flagship telescope designed to obtain the first direct images of Earth‑sized planets orbiting Sun‑like stars and to probe their atmospheres for potential biosignatures. It highlights the scientific ambition of...
The video examines which hallmark behaviours can be credited to Homo erectus, the long‑lived hominin that roamed Africa and Eurasia for roughly two million years. Archaeologists attribute several firsts to the species: controlled use of fire, as evidenced by a series...
The NIH inaugurated its Scientific Freedom Lecture series with a focus on the contentious origins of COVID‑19. Host Jay Bazacharia framed the event as a platform for rigorous, non‑judgmental inquiry, inviting British science writer Matt Ridley—co‑author of the bestseller "Viral:...
The video highlights a breakthrough in theoretical particle physics where researchers enlisted ChatGPT to tame an unwieldy six‑gluon interaction calculation. Traditionally, the mathematics describing this specific gluon process collapsed to zero, suggesting the interaction was forbidden under standard assumptions. Physicists...
The video walks viewers through NASA’s Space Launch System (SLS), the powerhouse behind Artemis II, detailing its size, thrust and role as the most powerful rocket NASA has built since the Saturn V. At 322 feet tall, the SLS produces nearly nine million pounds...
The video tackles a classic question in physics: is general relativity (GR) a deterministic theory? By invoking the strict definition—future uniquely entailed by past—the speaker argues that GR cannot be labeled universally deterministic. Instead, the theory’s solution space contains both...
The second day of the IATA‑RAeS 2026 workshop turned its focus to the practicalities of contrail mitigation through flight rerouting. Moderated by MIT’s Floren Aragan, a panel of experts from Airbus, Talis, Google, Contrails.org and the German Aerospace Center...
Launch windows are precise time slots when a rocket must lift off to reach its intended orbit or destination, determined by the relative positions of Earth, the target body, and the spacecraft’s trajectory. The concept hinges on aligning Earth’s rotation,...
In this lecture, Josh McDermott wraps up the series on color perception before moving on to motion. He revisits the foundational idea that objects appear colored because their surfaces reflect specific wavelengths, but emphasizes that the reflected light is a...
The lecture explores the generic viewpoint assumption, contrasting it with accidental viewpoints that create special, fragile images. Using classic examples like the Necker cube and an April Fool’s tape illusion, the instructor shows how certain perspectives line up perfectly, producing images...
The video explains why dark matter, unlike ordinary matter, assembles into the vast, diffuse structures known as the cosmic web. As the universe expands, space itself stretches, causing photons to red‑shift and dark‑matter particles to lose kinetic energy, a process...
The TED Talk introduces aphantasia, a neurological condition where individuals cannot conjure visual images in their mind’s eye, illustrating the concept with a vivid rocket‑ship scenario that the speaker himself cannot picture. Research highlighted in the talk shows that aphantasia...
The video showcases a youth‑led environmental research project, Sachimo, that surveyed Mexico City’s Xochimilco wetlands to determine whether the ecosystem remains healthy. Partnering with local group Project Oniti, the students collected data on water, soil, biodiversity, air and human impact...
NASA officials gave an update confirming Artemis II is “ready to go,” with flight systems, ground support and the crew all cleared after a recent flight‑readiness review. The crew touched down in Florida, completed quarantine and began final procedure reviews while the...
IQAir’s latest air‑quality index placed Chiang Mai at the top of the world’s most polluted cities, with a 24‑hour PM2.5 concentration of 255.1 µg/m³ recorded in the Mangna sub‑district of Chiang Dao. That figure is roughly seven times Thailand’s legal limit of 35 µg/m³...
The United Nations Environment Programme’s Executive Director marked Zero Waste Day 2026 by spotlighting food waste as the year’s central theme – “Zero waste starts on your plate.” The message framed food loss as a preventable crisis, noting that in...
Isodicentric chromosome 15 (IDIC‑15) syndrome is a rare genetic disorder caused by an extra super‑numerary marker chromosome derived from the long arm of chromosome 15. The marker contains duplicated 15q material that is typically of maternal origin, resulting in three...
The Huberman Lab episode features neuroscientist Dr. Marc Breedlove explaining how prenatal hormones, especially testosterone, influence the development of sexual orientation and related behaviors. Breedlove reviews several robust findings: the fraternal‑birth‑order effect, where each older brother raises a male’s odds of...
NASA has opened live video feeds of the Artemis II crewed lunar test flight from Kennedy Space Center, allowing the public to watch the launch and early flight phases in real time. The streams are hosted on NASA’s official channels and...
In this interview, NIH physiologist Dr. Kevin Hall examines why Americans consume roughly 500 extra calories each day when exposed to an ultra‑processed food environment, contrasting it with minimally processed diets that promote weight loss. He frames the discussion around...
The video covers four breaking developments: the first medical evacuation from the International Space Station involving veteran astronaut Mike Fink, the imminent Artemis crew launch and its six‑day abort window, NASA’s decision to cancel Mobile Launcher 2, and a shift in the...
The video marks the creator’s return to science communication after a three‑year hiatus, focusing on an astonishing image of the Sun captured at night—not with visible light, but with particles that stream through the Earth. Using Japan’s massive Super‑Kamiokande detector, scientists...
NASA’s Artemis II crew held a virtual Q&A from quarantine, previewing the mission’s upcoming launch from Kennedy Space Center’s Pad 39 B and outlining a series of in‑flight demonstrations. The astronauts discussed the Proximity Operations (Prox Ops) demo, where they will manually pilot Orion,...
The video examines the surge in commercial full‑body MRI scans, a market buoyed by celebrity endorsements and a luxury‑spa experience, despite explicit guidance from the American College of Radiology that advises against such routine imaging for asymptomatic individuals. It highlights...
The video examines the growing body of tentative biosignature detections on exoplanets, centering on recent James Webb Space Telescope observations of the temperate world K2‑18b and other promising targets. JWST reported a three‑sigma detection of dimethyl sulfide on K2‑18b— a gas...
Alan C. Love opens the discussion by emphasizing that classification remains a foundational activity in biology, even if the traditional Linnaean hierarchy is less frequently invoked. He argues that scientists constantly sort traits, proteins, and organisms into categories to make...
The video explains how motion is described in a curved space‑time by repeatedly approximating tiny regions as flat and then correcting for curvature. It begins by treating a minuscule patch of the four‑dimensional manifold as locally Minkowski, assigning one spatial...
The video revisits the iconic 1968 Apollo 8 mission, which produced the first color photograph of Earth rising above the Moon’s barren horizon. That historic Earthrise, taken by astronaut Bill Anders, marked humanity’s first vivid glimpse of our planet from another...
The phase 3 ATOMIC trial evaluated resected stage III mismatch‑repair‑deficient (dMMR) colon cancer patients receiving modified FOLFOX6 with or without atezolizumab. Adding atezolizumab improved three‑year disease‑free survival compared with chemotherapy alone. However, grade 3‑4 adverse events increased, driven primarily by fatigue. The findings...
The video explores why motion sickness remains a pervasive problem for humans, from ancient sea voyages to modern cars, autonomous vehicles and virtual‑reality environments. Researchers explain that the brain receives mismatched signals when visual cues and the vestibular system disagree, disrupting...
Vivian, an animal‑care specialist at Singapore Oceanarium, introduces herself and explains her decade‑long role overseeing the facility’s diverse sea‑jelly collection. She describes routine tasks such as daily water changes for the delicate baby jellies (apheras) and the constant monitoring required...
John Perry’s halftime Q&A dives deep into evolutionary mechanisms, focusing on the nuanced distinction between co‑option and recruitment. He explains that recruitment is a specialized form of co‑option where separate structures fuse or are repurposed, using bat wings, snake fangs,...
The video explains how attribution science is being leveraged to link specific extreme weather events to human‑driven climate change and to bring that evidence into courtrooms against major fossil‑fuel companies. Researchers compare observed events with counterfactual simulations of a climate without...
The short video traces the early history of space science, spotlighting Galileo Galilei’s pioneering lunar observations and the broader quest to picture the Moon. Using his telescope, Galileo revealed craters and rugged terrain, overturning the prevailing belief that the Moon was...
The Herzog Lab at Yale School of Medicine is investigating pulmonary fibrosis, a lethal lung disease characterized by progressive scarring that stiffens the organ and shortens life expectancy. Researchers argue that fibrosis results from an ongoing, maladaptive healing response after an...
Babies' seemingly oblivious behavior masks sophisticated risk assessment, as shown in a recent TED Talk. The speaker presents laboratory experiments where one‑year‑olds willingly step off steep drop‑offs, revealing that fear of heights does not appear until months of walking experience...
The DW documentary explores how the very atoms that compose our bodies originated in ancient stars, tracing the cosmic journey from interstellar dust to a habitable planet. It explains that the early solar system began as a cloud of hydrogen,...
National Geographic’s new documentary series "Secrets of the Bees" premieres on March 31 at 8/7c, streaming on Disney+ and Hulu. The three‑part series explores the world’s 20,000 known bee species, highlighting their roles in pollination and ecosystem health. Produced by...
The video explores the elusive nature of dark matter, explaining that it was coined to account for the mass discrepancy observed in galaxies and larger cosmic structures. It emphasizes that ordinary, luminous matter makes up only a fraction of the...
The video focuses on the Bullet Cluster, a pair of colliding galaxy clusters long touted as the clearest astrophysical evidence for dark matter. By examining X‑ray images of hot plasma and optical data of galaxies, researchers observe a striking spatial...
The video highlights a landmark analysis of over 1,800 patients that identified hypothyroidism as the condition most tightly associated with small intestinal bacterial overgrowth (SIBO), surpassing expected risk factors such as acid‑lowering drugs and prior intestinal surgery. Researchers were surprised...
