Harvard study reveals ancient Mesoamericans’ knowledge about Earth’s magnetism

Led by Assistant Professor of Earth and Planetary Sciences Roger Fu, a team of researchers has shown that the makers of ancient Mesoamerican statues found in Guatemala intentionally carved the figures to place the magnetic areas over the navel or right temple — suggesting not only that they were familiar with the concept of magnetism, but had some way of detecting the magnetic anomalies.

Peter Reuell | July 29, 2019 | harvard
~6 mins   

Tags: science-technology

Study reveals zebrafish make an unexpected decision when faced with conflicting opportunities

Researchers have found that when making decisions that are important to the species’ survival, zebrafish choose to mate rather than to flee from a threat.

Jessica Lau | July 29, 2019 | harvard
~4 mins   

Tags: health-medicine social-behavior zebrafish

Wyss researchers has electrifying insights into how bodies form

A researcher is reviving the study of bioelectricity to learn how cells communicate with each other to form tissues and organs, and how harnessing those signals could one day lead to truly regenerative medicine, in which amputees could simply regrow limbs.

Lindsay Brownell | July 26, 2019 | harvard
~17 mins   

Tags: science-technology amputees bioelectricity mike-levin regenerative-medicine wyss-institute-for-biologically-inspired-engineering-at-harvard-university

Researchers develop a method to identify computer-generated text

Researchers at the SEAS and IBM Research developed a better way to help people detect AI-generated text.

Leah Burrows | July 26, 2019 | harvard
~4 mins   

Tags: science-technology ai-language ai-generated-text deepfakes fake-text harvard-john-a-paulson-school-of-engineering-and-applied-sciences ibm-research

Bioinspired wound dressing contracts in response to body heat, speeding up healing

To speeding up wound healing, researchers have developed active adhesive dressings based on heat-responsive hydrogels that are mechanically active, stretchy, tough, highly adhesive, and antimicrobial.

Lindsay Brownell | July 24, 2019 | harvard
~6 mins   

Tags: science-technology active-adhesive-dressings add bandages harvard-john-a-paulson-school-for-engineering-and-applied-sciences healing-wounds protein-actin science-advances tough-adhesive-hydrogels wyss-institute-for-biologically-inspired-engineering-at-harvard-university

Daily e-cigarette use may help smokers quit regular cigarettes

A new study provides critical population-level evidence demonstrating that using e-cigarettes daily helps U.S. smokers to quit smoking cigarettes.

Malorye A. Branca | July 23, 2019 | harvard
~4 mins   

Tags: health-medicine cessation e-cigarette massachusetts-general-hospital nicotine-and-tobacco-research quit-smoking smokers

Plant-based diet may lower risk of Type 2 diabetes

A new meta-analysis shows that people who follow predominantly plant-based diets with greater adherence have a 23 percent lower risk of developing Type 2 diabetes than those who follow these diets with lower adherence.

Amy Roeder | July 22, 2019 | harvard
~3 mins   

Tags: health-medicine harvard-th-chan-school-of-public-health jama-internal-medicine plant-based-diet type-2-diabetes

Harvard researchers create DNA ‘propellers’

Understanding how DNA and proteins interact — or fail to — could help answer fundamental biological questions about human health and disease.

Caitlin McDermott-Murphy | July 19, 2019 | harvard
~7 mins   

Tags: science-technology biomechanics biotechnology cell-biology chemistry dna micromachines microscopy molecular-biology nanotechnology nature optics xiaowei-zhuang

Making Mars habitable

Researchers from Harvard University, NASA’s Jet Propulsion Lab, and the University of Edinburgh suggest that regions of the Martian surface could be made habitable with a material — silica aerogel — that would mimic Earth’s atmospheric greenhouse effect.

Leah Burrows | July 19, 2019 | harvard
~6 mins   

Tags: science-technology astronomy basic-research john-a-paulson-school-of-engineering-and-applied-sciences leah-burrows mars physics water-ice


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