Hundreds of copies of Newton's Principia found in new census

In a story of lost and stolen books and scrupulous detective work across continents, a Caltech historian and his former student have unearthed previously uncounted copies of Isaac Newton's groundbreaking science book Philosophiae ...

A census of the soil microbiome

Many people have experienced the mysterious death of a houseplant. Despite ample water and sunlight, something invisible seems to happen under the soil's surface to sabotage the plant's health. Just as communities of microbes ...

How stem cells choose their careers

"What do you want to be when you grow up?" is a question it seems like every child gets asked. A few precocious ones might answer "a doctor" or "an astronaut," but most will probably smile and shrug their shoulders. But well ...

New device powers wearable sensors through human motion

The advent of inexpensive wearable sensors that can monitor heart rate and body temperature, as well as levels of blood sugar and metabolic byproducts, has allowed researchers and health professionals to monitor human health ...

Ultrafast camera films 3-D movies at 100 billion frames per second

In his quest to bring ever-faster cameras to the world, Caltech's Lihong Wang has developed technology that can reach blistering speeds of 70 trillion frames per second, fast enough to see light travel. Just like the camera ...

How SARS-CoV-2 disables the human cellular alarm system

As the world is more than half a year into the COVID-19 pandemic, doctors and researchers have a fairly good idea of what the main symptoms of the disease look like: cough, fever, shortness of breath, and fatigue, among others. ...

Extremely rare Higgs boson decay process spotted

The Higgs boson reached overnight fame in 2012 when it was finally discovered in a jumble of other particles generated at CERN's Large Hadron Collider (LHC) in Geneva, Switzerland. The discovery was monumental because the ...

Machine learning speeds up quantum chemistry calculations

Quantum chemistry, the study of chemical properties and processes at the quantum scale, has opened many paths to research and discovery in modern chemistry. Without ever handling a beaker or a test tube, chemists can make ...

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