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In this issue 15 papers · 5 free

01 Nature Neuroscience Intestinal infections establish antigen-specific, long-lived memory CD4+ T cells in the brain and meninges Free
02 Nature Human Behaviour Effects of a randomized controlled trial of unconditional cash transfers on epigenetic measures of ageing and cognition in children and mothers Free
03 Nature PLA2G2D in tumour-draining lymph nodes regulates anti-tumour immunity Free
04 Proceedings of the National Academy of Sciences Seasonally asymmetric warming reshapes grassland stability across timescales Free
05 PLOS Biology Brain structural and functional connectivity converge prenatally but diverge after birth Free
06 Nature Astronomy Planetary shielding and surface precipitation of solar energetic particles during BepiColombo’s close Mercury flyby Subscribers
07 Physical Review Letters Fundamental Limits on Quantum Bit Error Rate and Distance in Quantum Key Distribution Subscribers
08 Nature Communications Deep learning recognises antibiotic modes of action from brightfield images Subscribers
09 Nature Advancing conflict research and response through satellite-derived data Subscribers
10 Nature Within-family effect of ancestry on complex traits in a Mexican population Subscribers
11 Proceedings of the National Academy of Sciences Lasker~Bloomberg Public Service Award to Michael J. Fox: The challenge of Parkinson’s disease Subscribers
12 Nature Communications Loss-engineered reconfigurable polaritons Subscribers
13 Nature Communications Repeatable, low-drift recordings in behaving nonhuman primates using flexible microelectrodes Subscribers
14 Proceedings of the National Academy of Sciences A multifaceted role for synaptic ribbons in sensory circuit assembly and computation Subscribers
15 Geophysical Research Letters An Activity‐Based Inversion Framework for Estimating Sectoral Anthropogenic CO 2 Emissions Using Multi‐Pollutant Satellite Observations Subscribers

The papers Read free

Nature Neuroscience·8 September 2026

Aaron Fleming, Karen Neish et al.

In mice, gut infections leave long-lasting immune memory cells stationed around the brain's protective lining.

Gut infections can leave a lasting mark on immune cells living around the brain. In mice, gut bacteria and parasites sent special immune cells called T cells traveling from the intestines to the brain's outer lining. These cells settled near blood vessel channels in that lining and stayed there long term. When the same germ showed up again in the blood, these settled cells reacted fast, multiplying and releasing defense signals.

What it could change Immune cells trained by gut infections took up long-term posts guarding the brain's outer lining.

Shown in mice: gut-primed immune cells settle near brain blood vessels and react fast to repeat exposure.

Mouse study only, no human data yet.

Integrity screen: passed (3 checks) Checked 6 October 2026. Aaron Fleming, Karen Neish et al., Intestinal infections establish antigen-specific, long-lived memory CD4+ T cells in the brain and meninges Read the source

Nature Human Behaviour·8 September 2026

Laurel Raffington, Yayouk E. Willems et al.

Extra monthly cash to poor mothers slightly slowed a chemical marker of aging in their kids.

Giving low income mothers more monthly cash slowed down a chemical marker of aging in their young children. Kids in families that got 333 dollars a month, instead of 20 dollars, showed a small drop in this marker. The extra cash did not change a separate marker linked to thinking skills. Mothers themselves showed no changes in either marker.

The number -0.17 standard deviations

The change in a child's DNA-based aging pace marker linked to higher monthly cash gifts.

Children only, effect small, long-term health impact still unknown.

Integrity screen: passed (3 checks) Checked 6 October 2026. Laurel Raffington, Yayouk E. Willems et al., Effects of a randomized controlled trial of unconditional cash transfers on epigenetic measures of ageing and cognition in children and mothers Read the source

Nature·9 September 2026

Anneloes van Krimpen, Julie Huang et al.

In mice, blocking a lymph node molecule let immune cells fight tumors much better.

A substance made by immune cells in lymph nodes near tumors can stop the body from fighting cancer well. These lymph nodes sit close to tumors and normally help train defender cells called T cells. Blocking this substance let T cells grow and multiply, and in mice this shrank tumors. Pairing this block with an existing cancer drug worked even better in mice given human immune cells.

What it could change A newly found molecular brake in lymph nodes that stops the immune system from attacking tumors.

Shown in mice and lab studies, not yet tested as a cancer treatment in people.

Mouse and lab study only, no human treatment data yet.

Integrity screen: passed (3 checks) Checked 16 September 2026. Anneloes van Krimpen, Julie Huang et al., PLA2G2D in tumour-draining lymph nodes regulates anti-tumour immunity Read the source

Proceedings of the National Academy of Sciences·9 September 2026

Chunyan Lu, Huiying Liu et al.

In Tibetan grasslands, warming only in spring made plant growth steadier across seasons and years.

Warming grasslands only in spring made plant growth steadier over time. This held true both within a single growing season and across many years. Warming all year round only helped steadiness within one season, not across years. Summer drought also helped short-term steadiness, but droughts in specific seasons barely changed year-to-year steadiness.

What it could change Spring-only warming steadied plant growth both season to season and year to year.

Shows that when warming happens in the year matters more than how much warming occurs.

Two Tibetan grassland field sites only, may not generalize elsewhere.

Integrity screen: passed (3 checks) Checked 10 September 2026. Chunyan Lu, Huiying Liu et al., Seasonally asymmetric warming reshapes grassland stability across timescales Read the source

PLOS Biology·9 September 2026

Ruoke Zhao, Mingyang Li et al.

Brain wiring and brain activity match closely at birth, then grow apart after birth.

Brain wiring and brain activity match closely right before birth. This match is strongest before birth, then gets weaker after birth as babies grow into toddlers. Motor and vision brain areas develop this match the fastest and stop early. How strong this match is at birth links to a baby's thinking and language skills at 18 months.

What it could change A map of how tightly brain wiring tracks brain activity from before birth through toddlerhood.

Shows when and where brain wiring and activity match most closely during early development.

Brain scan study of babies only, shows links not causes.

Integrity screen: passed (3 checks) Checked 20 September 2026. Ruoke Zhao, Mingyang Li et al., Brain structural and functional connectivity converge prenatally but diverge after birth Read the source

10 more papers are in the full issue.

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Nature Astronomy·8 September 2026

Emilia K. J. Kilpua, Rami Vainio et al.