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In this issue 15 papers · 5 free

01 Nature Communications Pan-Ebolavirus nanoparticle vaccine provides protection in rodents from lethal infection by Zaire and Sudan viruses Free
02 Proceedings of the National Academy of Sciences Protecting episodic memory after sleep loss: Similar benefits of exercise and naps via distinct neural contributions Free
03 Nature Communications Sustained ash emission during lava effusion is a hidden volcanic hazard of silicic eruptions Free
04 Nature Communications Self-Assembled Multilayers Reduce Interfacial Energy Loss in Perovskite Solar Cells Free
05 Nature Human Behaviour Longitudinal effect of early social media use on standardized learning outcomes during school career Free
06 Nature Medicine A clinically validated framework for auditing AI chatbot behavior in mental health interactions Subscribers
07 Nature Nanotechnology Spectral biophysical cytometry with nanosensors reveals remodelling of immune cells in atherosclerosis Subscribers
08 Monthly Notices of the Royal Astronomical Society Radio-Gamma-Ray Properties and High-Energy Implications for Fermi Blazars Subscribers
09 Proceedings of the National Academy of Sciences Eye movements reveal a dissociation between prediction and structural processing difficulty in language comprehension Subscribers
10 Proceedings of the National Academy of Sciences A unifying framework for the evolution of metazoa and social insects, two major evolutionary transitions Subscribers
11 Science Advances Language-like statistical structure arises in learned signaling: evidence from birdsong Subscribers
12 Science A central role for dietary sugars in human evolution Subscribers
13 Geophysical Research Letters Attention‐Based Stochastic Simulation of Climate‐Informed Spatiotemporal Flood Risk for Multisite Insurance Portfolios Subscribers
14 Physical Review X Infinite Temperature at Zero Energy Subscribers
15 PNAS Nexus The pivotal role of the food service industry in alleviating urban segregation and boosting city vitality Subscribers

The papers Read free

Nature Communications·8 August 2026

Connor Weidle, Natalie Brunette et al.

In rodents, a tiny protein cage vaccine protected against two deadly Ebola virus types.

A lab-made protein shell shaped like two different Ebola viruses at once protected animals from deadly infection. Mice given a shot matched to one virus survived best. Guinea pigs given a mixed shot survived a related virus and made antibodies against both viruses. The mixed vaccine worked worse than a matched single-virus shot in mice, so results differed between species.

What it could change A single vaccine shell shaped like two Ebola virus types protected rodents from both.

Shown only in mice and guinea pigs, not yet tested in humans.

Mice and guinea pigs only, no human data yet.

Integrity screen: passed (3 checks) Checked 11 August 2026. Connor Weidle, Natalie Brunette et al., Pan-Ebolavirus nanoparticle vaccine provides protection in rodents from lethal infection by Zaire and Sudan viruses Read the source

Proceedings of the National Academy of Sciences·7 August 2026

Madhura S. Lotlikar, Beatrice Ayotte et al.

A short workout or a nap each boosted memory by 22% after a sleepless night.

A short workout or a nap can protect memory after a night without sleep. In a study of people kept awake for 30 hours, both a 20 minute exercise session and a 90 minute nap raised memory scores by about 22% compared to no help at all. Brain scans showed the two methods worked in different ways. Exercise helped the brain process new information better, while napping lowered brain fatigue and got the brain ready to learn.

The number 22% higher memory performance

The boost in memory scores from exercise or napping after 30 hours without sleep, compared to no help.

One night of sleep loss tested; unclear if it works long term.

Integrity screen: passed (3 checks) Checked 9 August 2026. Madhura S. Lotlikar, Beatrice Ayotte et al., Protecting episodic memory after sleep loss: Similar benefits of exercise and naps via distinct neural contributions Read the source

Nature Communications·8 August 2026

Jingwei Zhang, Hugh Tuffen et al.

Ash coatings on old lava show volcanoes can quietly spew ash for months during lava flows.

Some volcanoes release thick, slow lava. At the same time, they can quietly puff out ash clouds for months. This hidden ash risk has been hard to measure. Scientists found ash coatings stuck to cracks in old lava in Iceland and Italy. This matches a pattern first seen at a Chilean volcano, showing this combined behavior may be common, not rare.

What it could change A hidden ash hazard may be common during slow lava eruptions, not rare.

Based on ash traces found on lava rock at three volcano sites, not a global survey.

Only three volcano sites studied; global scale still unknown.

Integrity screen: passed (3 checks) Checked 9 August 2026. Jingwei Zhang, Hugh Tuffen et al., Sustained ash emission during lava effusion is a hidden volcanic hazard of silicic eruptions Read the source

Nature Communications·8 August 2026

Yi Pan, Lei Liu et al.

In lab tests, a new coating pushed solar cell efficiency to 27.59 percent.

A new coating helps solar panels made from a special light-absorbing crystal work better and last longer. The coating spreads evenly over the crystal surface. It has tiny chemical arms that grab onto the crystal and fix small flaws, which helps the panel move electricity more smoothly.

The number 27.59%

The efficiency reached by the new solar cell coating in lab testing.

Lab-only test, no outdoor or long-term data yet.

Integrity screen: passed (3 checks) Checked 11 August 2026. Yi Pan, Lei Liu et al., Self-Assembled Multilayers Reduce Interfacial Energy Loss in Perovskite Solar Cells Read the source

Nature Human Behaviour·3 August 2026

Marco Gui, Chiara Respi et al.

Joining social media before grade 9 lowered later test scores in Italian, English and math.

Kids who joined social media in grades 6 to 8 later scored lower on standard tests. Kids who waited until grade 9 or later scored better. The study followed 5,227 students in northern Italy, checking scores in Italian, English and math over time. Heavy smartphone use at key times of day seems to explain much of this gap.

The number 5,227 students

The number of students in northern Italy whose social media timing and test scores were compared.

One region in Italy, observational data, not a controlled trial.

Integrity screen: passed (3 checks) Checked 17 August 2026. Marco Gui, Chiara Respi et al., Longitudinal effect of early social media use on standardized learning outcomes during school career Read the source

10 more papers are in the full issue.

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Nature Medicine·7 August 2026

Veith Weilnhammer, Kevin YC Hou et al.