What’s the Deal with Bacterial Nanotubes?
What’s the Deal with Bacterial Nanotubes?
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?
What’s the Deal with Bacterial Nanotubes?
What’s the Deal with Bacterial Nanotubes?

Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?

Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?

Features
How Environmental Noise Harms the Cardiovascular System
How Environmental Noise Harms the Cardiovascular System
Thomas Münzel, Omar Hahad | Jun 1, 2021
Sound from cars, aircraft, trains, and other man-made machines is more than just annoying. It increases the risk of cardiovascular disease.
Can Single Cells Learn?
Can Single Cells Learn?
Catherine Offord | May 1, 2021
A controversial idea from the mid-20th century is attracting renewed attention from researchers developing theories for how cognition arises with or without a brain.
Hybrid Animals Are Not Nature’s Misfits
Hybrid Animals Are Not Nature’s Misfits
Ashley Yeager | May 1, 2021
In the 20th century, animals such as mules and ligers that had parents of different species were considered biological flukes, but genetic sequencing is beginning to unravel the critical role of hybridization in evolution.
Cancer May Be Driven by DNA Outside of Chromosomes
Cancer May Be Driven by DNA Outside of Chromosomes
Paul Mischel | Apr 1, 2021
In the last decade, researchers have come to realize that tumors harbor bits of extrachromosomal DNA that can drive malignancy.
New Understanding of Metastasis Could Lead to Better Treatments
New Understanding of Metastasis Could Lead to Better Treatments
Shawna Williams | Apr 1, 2021
Recent insights, such as the recognition that disseminated cancer cells can lie dormant for years before seeding secondary tumors, suggest novel strategies for fighting metastatic disease.
Sex Differences in Immune Responses to Viral Infection
Sex Differences in Immune Responses to Viral Infection
Catherine Offord | Mar 1, 2021
Stronger interferon production, greater T cell activation, and increased susceptibility to autoimmunity are just some of the ways that females seem to differ from males.
Free Fallin’: How Scientists Study Unrestrained Insects
Free Fallin’: How Scientists Study Unrestrained Insects
Amanda Heidt | Mar 1, 2021
Researchers are pulling from video games, sports broadcasting, meteorology, and even missile guidance technology to better investigate how insects have mastered flight.
Are Phages Overlooked Mediators of Health and Disease?
Are Phages Overlooked Mediators of Health and Disease?
Catherine Offord | Feb 1, 2021
Bacteria-infecting viruses affect the composition and behavior of microbes in the mammalian gut—and perhaps influence human biology.
Restored Corals Spawn Hope for Reefs Worldwide
Restored Corals Spawn Hope for Reefs Worldwide
Hanna R. Koch, Erinn Muller, Michael P. Crosby | Feb 1, 2021
Novel technologies establish a new paradigm for global coral reef restoration, with in situ spawning of mature, environmentally resilient corals in five years instead of decades.
A Dog’s View of Optical Illusions
A Dog’s View of Optical Illusions
Catherine Offord | Jan 1, 2021
Researchers are using visual tricks to try to better understand canine perception.
Human Fetuses Can Contract SARS-CoV-2, but It’s Rare
Human Fetuses Can Contract SARS-CoV-2, but It’s Rare
Ashley Yeager | Jan 1, 2021
Compared with Zika and cytomegalovirus, the virus that causes COVID-19 appears to have a harder time penetrating the placenta and moving to a woman’s unborn baby.
2020 Top 10 Innovations
2020 Top 10 Innovations
The Scientist Staff | Dec 1, 2020
From a rapid molecular test for COVID-19 to tools that can characterize the antibodies produced in the plasma of patients recovering from the disease, this year’s winners reflect the research community’s shared focus in a challenging year.
Nutrition Researchers Can Determine What You’ve Been Eating
Nutrition Researchers Can Determine What You’ve Been Eating
Amber Dance | Dec 1, 2020
The study of diet, long plagued by inaccuracies in self reports, is entering a new age of precision with the methods of metabolomics.
Scientists Engineer Dreams to Understand the Sleeping Brain
Scientists Engineer Dreams to Understand the Sleeping Brain
Catherine Offord | Dec 1, 2020
Technologies such as noninvasive brain stimulation and virtual reality gaming offer insights into how dreams arise and what functions they might serve.
Can Rewilding Large Predators Regenerate Ecosystems?
Can Rewilding Large Predators Regenerate Ecosystems?
Katarina Zimmer | Nov 1, 2020
As some conservationists and researchers begin to return large carnivores to areas where they once roamed, scientists intensify efforts to study the ecological roles of predators.
How Some Vaccines Protect Against More than Their Targets
How Some Vaccines Protect Against More than Their Targets
Shawna Williams | Nov 1, 2020
As researchers test existing vaccines for nonspecific protection against COVID-19, immunologists are working to understand how some inoculations protect against pathogens they weren’t designed to fend off.
Clues Point to Climate Change as a Culprit in Gray Whale Deaths
Clues Point to Climate Change as a Culprit in Gray Whale Deaths
Ashley Yeager | Nov 1, 2020
For the past two years, the charismatic marine mammals have washed up on Pacific shores in record numbers. Scientists investigating the strandings suspect warming waters and melting sea ice are partly to blame.
T Cells and Neurons Talk to Each Other
T Cells and Neurons Talk to Each Other
Ashley Yeager | Oct 1, 2020
Conversations between the immune and central nervous systems are proving to be essential for the healthy social behavior, learning, and memory.
Neurological Correlates Allow Us to Predict Human Behavior
Neurological Correlates Allow Us to Predict Human Behavior
Paul J. Zak | Oct 1, 2020
A combination of factors, from oxytocin release as an indicator of emotional investment to cortisol and other hormones that correlate with attention, can forecast what people will do after an experience.