Omni Letters

Science and astronomy portal with up-to-date content, rigorous analysis, and discoveries that expand your knowledge.

Omni Lettersomniletters
2026-02-04
Omni Lettersomniletters
2026-01-27

The largest Iron Age spear ever found in India has been discovered.

Archaeologists uncover India’s longest Iron Age spear in Tamil Nadu, dating back over 5,300 years.

Read more: omniletters.com/the-largest-ir

Omni Lettersomniletters
2026-01-25

Electrifying boilers to decarbonize industry.

AtmosZero developed a modular heat pump to electrify the centuries-old steam boiler.

Read more: omniletters.com/electrifying-b

Omni Lettersomniletters
2026-01-25

Mexico Announces the Discovery of a Millennia-Old Zapotec Tomb.

A 1,400-year-old Zapotec tomb surprises archaeologists and becomes the most important discovery in Mexico in the past decade.

Read more: omniletters.com/mexico-announc

Omni Lettersomniletters
2026-01-22

Scientists Identify the World’s Oldest Rock Art in an Indonesian Cave.

Discovered in Indonesia, the world’s oldest rock art is 67,800 years old and reveals new clues about the migration of the first humans to Australia.

Read more: omniletters.com/scientists-ide

Omni Lettersomniletters
2026-01-19

Reports of “AI psychosis” are emerging.

Although artificial intelligence does not cause psychosis, the conversational, responsive, and seemingly empathic design of chatbots can intensify psychotic symptoms in vulnerable people.

Read more: omniletters.com/reports-of-ai-

Omni Lettersomniletters
2026-01-11

AI-generated sensors open new paths for early cancer detection.

Molecular sensors developed with AI use nanoparticles and peptides to detect cancer at an early stage, enabling simple urine tests that can even be done at home.

Read more: omniletters.com/ai-generated-s

Omni Lettersomniletters
2026-01-11

Byzantine Monastic Complex Discovered in Upper Egypt Reveals Monks’ Way of Life.

Excavations in Sohag, Egypt, Uncover a Byzantine Residential Complex for Monks, Featuring a Church, Cells, Artifacts, and Coptic Inscriptions, Expanding Knowledge of Monastic Life in the Byzantine Period.

Read more: omniletters.com/byzantine-mona

Omni Lettersomniletters
2026-01-05

Discovery reveals the oldest cremation ever recorded in Africa.

Discovery in Malawi reveals Africa’s oldest cremation, dating back 9,500 years, and points to complex funerary rituals among Stone Age hunter-gatherers.

Read more: omniletters.com/discovery-reve

Omni Lettersomniletters
2026-01-01

7,500-Year-Old Stone Seal Discovered in Türkiye.

Archaeologists in Elazig, Türkiye, discover a 7,500-year-old stone seal, revealing an organized Neolithic society with advanced social and economic practices.

Read more: omniletters.com/7500-year-old-

Omni Lettersomniletters
2026-01-01

Microneedles that could revolutionize cancer immunotherapy.

Made from natural polysaccharides, the new microneedles not only deliver drugs but also activate the immune system, paving the way for more effective and less invasive anticancer therapies.

Read more: omniletters.com/microneedles-t

Omni Lettersomniletters
2025-12-24

Ancient Celtic Gold Coins Found in a Swiss Marshland.

Celtic gold coins dating to around 2,300 years ago have been discovered in a marshland in Switzerland, and were likely deposited as ritual offerings during the Iron Age.

Read more: omniletters.com/ancient-celtic

Omni Lettersomniletters
2025-12-23

This rare genetic mutation kills brain cells.

Experiments with a rare genetic mutation, responsible for causing neurodegeneration, have helped scientists identify a new mechanism by which brain cells die.

Read more: omniletters.com/this-rare-gene

Omni Lettersomniletters
2025-12-21

New study suggests a way to rejuvenate the immune system.

Scientists have discovered a possible way to rejuvenate the immune system and strengthen the body’s defenses as we age.

Read more: omniletters.com/new-study-sugg

Omni Lettersomniletters
2025-12-17

Deep-learning model predicts how fruit flies form, cell by cell.

The approach could apply to more complex tissues and organs, helping researchers to identify early signs of disease.

Read more: omniletters.com/deep-learning-

Omni Lettersomniletters
2025-12-17

An ancient archaeological site possibly dating back over 2,000 years has been discovered in eastern Afghanistan, revealing complex structures.

Read more: omniletters.com/archaeological

Omni Lettersomniletters
2025-12-14

How short videos may be harming children’s brains

Short videos entertain, but constant scrolling is reshaping how children think, sleep, and feel.

Read more: omniletters.com/how-short-vide

Omni Lettersomniletters
2025-12-12

Microplastics May Spread Dangerous Pathogens, Scientists Warn.

A new study highlights several health risks posed by tiny fragments of plastic as they spread through the environment.

Read more: omniletters.com/microplastics-

Omni Lettersomniletters
2025-12-11

Unusual 1,400-year-old cube-shaped skull discovered in Tamaulipas.

A team of archaeologists in Mexico has unearthed a human skull with a strange cubic deformation, marking the first evidence of this type of cultural practice in the region.

Read more: omniletters.com/cube-shaped-sk

Omni Lettersomniletters
2025-12-07

SPHERE Debris Disk Gallery: Revealing Clues of Dust and Small Bodies in Distant Solar Systems.

Images of dust around distant exoplanets offer a glimpse of asteroids and comets in other solar systems.

Read more: omniletters.com/sphere-debris-

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