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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?

Differences in how researchers prepare and image samples can lead to discrepancies in their results.

Two studies this month point to pooches’ quick detection of SARS-CoV-2 on material that touched the skin of infected participants, although the pups’ accuracy does not match that of RT-PCR.

Researchers find that SARS-CoV-2 variants can evade primer-probe sets and recommend that diagnostic assays include multiple targets for reliability.

Free’s dip-and-read urinalysis allowed diabetics to monitor glucose levels at home, rather than at a hospital.

An automated wastewater monitoring technique could enable researchers to predict outbreaks of the virus up to a week in advance.

Researchers use magnetic nanoparticles and liquid-handling robots in an effort to detect COVID-19 outbreaks early.

After resigning from the University of New England last year, Geoffrey Bove continues to study the effects of massage on rats in a facility he set up in his house.

Scientists from MIT reveal the hidden music in spiderwebs.

The National Academies’ report touches on ethical issues raised by new technologies such as brain organoids and human-animal chimeras, and suggests that current regulatory oversight is sufficient.

A proof-of-concept study uses eDNA in the air to detect mammals, expanding the technique beyond aquatic sampling.

The G-baToN prototype transfers GFP between cells, illuminating cell-cell contacts.

A study of human populations around the world detects differing rates of horizontal gene transfer in the microbiome depending on what kind of society those people live in.

A new specialized cell culture media system generates induced pluripotent stem cell-derived lung organoids that more closely resemble the diversity of cell types found in the human lung.

A new approach to nucleic acid extraction efficiently frees RNA and DNA in just three steps, giving scientists back their precious time.

Following on the success of CAR T cells used to treat cancers of the blood, researchers have launched a Phase 1 clinical trial of genetically modified macrophages to target solid tumors.

A noninvasive saliva test accurately identified concussions in a study of hundreds of rugby players.

The physiological demands of that long neck get support from a gene involved in strengthening bones and blood vessels, researchers find after inserting the sequence in mice.