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Top articles

Mind
Language anxiety

Language anxiety: the limbic-system science behind 'I freeze when I have to speak'

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Self
Critical period

The critical-period myth: what 50 years of research actually says about adult language learning

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Mind

Mind
Language anxiety
Last update: May 11•
005 min

Language anxiety: the limbic-system science behind 'I freeze when I have to speak'

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Mind
Bilingualism
Last update: May 8•
005 min

Inside the bilingual brain: 30 years of MRI evidence on what two languages do to you

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Mind
Foreign accent syndrome
Last update: Apr 28•
005 min

Foreign accent syndrome: what a rare disorder reveals about how the brain maps sound

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Behavior

Behavior
Marshmallow test
Last update: May 6•
004 min

The marshmallow test: how a famous study lost its punchline

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Behavior
Bystander effect
Last update: May 5•
004 min

The bystander effect: what the original studies showed, and what the replications didn't

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Behavior
Habits
Last update: Apr 25•
004 min

Habit formation: how long it actually takes to make a behavior automatic

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Relationships

Relationships
Accent
Last update: Apr 30•
005 min

Romance across accents: what the studies say about fluency, vulnerability, and attraction

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Relationships
Bilingual couples
Last update: Apr 23•
004 min

Bilingual couples: which language do you fight in?

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Relationships
Attachment theory
Last update: Apr 11•
004 min

Attachment theory: forty years of research and its critics

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The Tessera Brief

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Self

Self
Critical period
Last update: May 10•
004 min

The critical-period myth: what 50 years of research actually says about adult language learning

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Self
Code switching
Last update: May 7•
004 min

Code-switching and identity: longitudinal research on bilingual selves

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Self
Self-compassion
Last update: Apr 22•
004 min

Self-compassion: what 20 years of research has and hasn't supported

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Science

Science
Memory consolidation
Last update: May 4•
004 min

Memory consolidation: what one night of sleep does for newly-learned anything

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Science
Dunning kruger
Last update: May 3•
005 min

The Dunning-Kruger graph that wasn't

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Science
Replication crisis
Last update: Apr 21•
004 min

The replication crisis: what 2015 changed in psychology

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Wellbeing

Wellbeing
Cognitive reserve
Last update: May 2•
005 min

Bilingualism and aging: the 60-year story of cognitive reserve

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Wellbeing
Loneliness
Last update: May 1•
005 min

Loneliness research has had a methodology problem since 1978

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Wellbeing
Cbt
Last update: Apr 20•
004 min

Cognitive behavioral therapy: what 50 years of evidence has and hasn't proved

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Work

Work
Ultradian rhythms
Last update: May 9•
004 min

Ultradian rhythms: the case for 90-minute work cycles, examined

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Work
Flow state
Last update: Apr 27•
005 min

Flow state research: what the operational definition actually requires

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Work
Remote work
Last update: Apr 19•
004 min

Remote work and productivity: five years of evidence after the great experiment

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Culture

Culture
Immigration
Last update: Apr 29•
004 min

How immigrant brains rewire over the first 24 months: fMRI evidence

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Culture
Polyglot
Last update: Apr 18•
004 min

Polyglots in history: what makes some people speak twenty languages

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Culture
Language death
Last update: Mar 29•
004 min

Globalization and language death: a planet of 7,000 tongues, half of them going

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Tessera

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A pop-science magazine on the mind, behavior, and what research actually shows.

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© 2026 Tessera. Most articles licensed under CC BY-ND 4.0.

Tessera is an educational publication. Nothing here is medical, legal, financial, or therapeutic advice. Some contributor bylines are composite or pseudonymous; identifying details in case studies have been changed. All cited research is real and verifiable.