Published by the Students of Johns Hopkins since 1896
October 29, 2025
October 29, 2025 | Published by the Students of Johns Hopkins since 1896

Science & Technology



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The first nanorobot was created by programming the properties of a single strand of DNA.

Caltech researchers create first DNA Nanorobot

Recently, a group of scientists led by Assistant Bioengineering Professor Lulu Qian at Caltech developed the first “DNA robot.” This molecular robot was designed to perform precise nanomechanic tasks that retrieve and transport certain molecules around the body.


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The study can be applied to human health as mice age similarly to humans.

High fat diet displays health benefits in mice

The Bacon Diet. Believe it or not, there is an actual diet colloquially known as the Bacon Diet, and it may just stave off illness, help you lose weight, help you become stronger, give you more energy and help you live longer.


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Certain compounds in cocoa can help the body respond to increased glucose.

Compound in chocolate might combat diabetes

Diabetics are commonly told to avoid candy and other sugary foods. In fact, most diabetics are put on a strict diet and closely monitor their sugar intake by taking glucose tests multiple times a day.


Group interactions foster increased immoral action

A group of German and Austrian researchers from the Institute for Operations Research and the Management Sciences collaborated on a recent study titled “I Lie? We Lie! Why? Experimental evidence on a dishonesty shift in groups.”


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Human stool provides an indication of how someone loses weight.

Gut bacteria predicts ability to lose weight

Have you ever tried dieting and found that those fruits, veggies and whole wheat toasts just never work? A new study lead by Arne Astrup, head of the department of nutrition, exercise and sports at the University of Copenhagen, offers a possible explanation.



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Drinking two additional cups of coffee a day can lower risk of mortality.

Coffee consumption linked to lower risk of death

Coffee has been an age-old medical toss up: Physicians and researchers alike have been debating the effects of the drink on human health for decades. Today, coffee has a generally positive reputation among nutritionists, but it hasn’t always been this way. In the 1600s, some people believed thatcoffee causes impotence, and in the mid-1800’s, rumors went around that coffee could make you go blind and stunt your growth.



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Researchers find individuals make more calculated decisions when speaking a foreign language.

Speaking foreign languages affects morality

Last month, psychologists at the University of Chicago discovered that speaking in a foreign language affects a person’s moral judgment. What they determined was that speaking in a foreign language encourages the speaker to act in favor of the “greatest good for the greatest number” of people.


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Children may sleep less when their mothers experiences insomnia.

Children and mothers share sleep patterns

If you ever find yourself tossing and turning one night, it might actually be a behavior you picked up from your mother. Researchers at the University of Warwick recently found a link between a mother’s insomnia and the sleeping behavior of children.


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Chemicals found in food preservatives can disrupt human hormonal systems.

Preservatives may contribute to obesity epidemic

Have you ever picked up an item at your local grocery store and wondered how the expiration date could be so far into the future? You’ve probably wondered a few times whether those preservatives could inflict significant damage upon your health.



New blood test might help detect Alzheimer’s

As research methods and new technologies continue to spur medical discoveries, some scientists and doctors have shifted their focus from treating the symptoms of a disease to stopping it at the source.







Public Domain
Reduced REM sleep was found to contribute to an increased risk of dementia later in life.

Less nightly REM sleep may predict dementia

Up until the 1950s, people have believed sleep to be a singular process in which the brain stops working and restores its functions. However, Nathaniel Kleitman and Eugene Aserinsky demonstrated through their electroencephalographic (EEG) recordings in 1953 that sleep is composed of five distinct stages.


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