Shadowing Practice: TOEFL Listening 2026: Academic Talk Practice to Level Up Test Day - Learn English Speaking with Video
Choose a practice mode
Each mode opens a full-screen practice room.
61 sentences
If sentences are too short or too long, click Edit to adjust them.
1
Transcription by CastingWords In recent decades,
2
one of the most transformative areas of biomedical research has been the study of the human microbiome.
3
The vast community of microorganisms, including bacteria, viruses, and fungi that live in and on the human body.
4
Far from being parasites or contaminants, the majority of these microbes are either neutral or actively beneficial.
5
The gut microbiome, in particular, performs functions that the human body cannot perform on its own.
6
Gut bacteria help break down dietary fiber that human digestive enzymes cannot process,
7
produce essential vitamins including B12 and K,
8
and play a critical role in training the immune system to distinguish between harmless and harmful invaders.
9
Perhaps most surprising is the emerging field of gut -brain communication, sometimes called the gut -brain axis.
10
Researchers have found that the gut produces approximately 90 % of the body's serotonin,
11
a neurotransmitter closely associated with mood regulation.
12
Disruptions to the gut microbiome through excessive antibiotic use or poor diet have been linked to increased rates of anxiety and depression,
13
suggesting that mental health may be partly a function of gut ecology.
14
Thank you.
15
Thank you.
16
Traditional economics assumes that people make rational decisions in their own best interest.
17
But decades of research in behavioral economics, pioneered by Daniel Kahneman, Amos Tversky,
18
and Richard Thaler, have shown that human decision -making is riddled with systematic, predictable errors.
19
This insight has given rise to a practical policy tool, the nudge A nudge is any design feature in the environment
20
that predictably changes behavior without restricting options or providing significant financial incentives The key word is design Rather than banning unhealthy food,
21
a cafeteria could place fruits and vegetables at eye level
22
and relegates desserts to lower shelves People are still free to choose dessert, but the default arrangement, what you see first, shifts behavior.
23
Perhaps the most powerful nudge is automatic enrollment.
24
In countries where employees must opt into pension savings plans, participation rates are typically low.
25
When the same plans switch to automatic enrollment, where you are enrolled by default and must actively opt out,
26
participation rates often exceed 90%.
27
The content of the plan is identical, only the default has changed.
28
This is a demonstration of status quo bias.
29
People tend to accept whatever option requires no active decision.
30
Thank you.
31
Thank you.
32
Echo location is a biological sonar system used by certain animals to navigate
33
and locate objects by emitting sound waves and interpreting the returning echoes.
34
While most commonly associated with bats, the ability has evolved independently in several other animal groups, including dolphins, some whale species,
35
and even certain birds and shrews.
36
Bats produce ultrasonic calls, typically beyond the range of human hearing, through their larynx or, in some species, through their nose.
37
These calls travel outward, outward, reflect off objects in the environment, and return to the bat's highly specialized ears.
38
From these echoes, the bat can determine not only the location, but also the size, texture, and even the movement of prey.
39
The sophistication of bat echolocation is remarkable.
40
Some species adjust the frequency of their calls to avoid interference from other bats in the same colony,
41
a behavior analogous to different conversations on different radio frequencies.
42
Others emit frequency -modulated sweeps that allow them to distinguish insects from surrounding vegetation with extraordinary precision.
43
This precision is achieved through neural processing speeds
44
that remain the subject of intense research in fields ranging from neuroscience to the development of next -generation sonar technology.
45
Thank you.
46
Thank you.
47
When astronomers map the observable universe, they encounter a fundamental mystery.
48
The amount of visible matter, stars, gas, dust, and everything else we can detect,
49
accounts for only about 5 % of what the universe's total gravitational behavior suggests should be present.
50
Something else must be providing the remaining gravity.
51
Scientists call this invisible, undetected mass dark matter.
52
Dark matter does not emit, absorb, or reflect light.
53
We cannot observe it directly.
54
Its existence is inferred entirely from gravitational effects, particularly from the rotation of galaxies.
55
Stars at the outer edges of galaxies rotate around the galactic center at speeds that should, by Newtonian physics, be much slower.
56
The only consistent explanation is that significant additional mass surrounds these galaxies in an invisible halo.
57
Several candidate particles have been proposed to explain dark matter, the most studied being weakly interacting massive particles, or WIMPs.
58
To date, Despite extremely sensitive underground detectors designed to catch any interaction between WIMPs and ordinary matter, no confirmed detection has been made.
59
This remains one of the most urgent and unresolved questions in modern physics.
60
Thank you.
61
Thank you.
Download App
Everything you need to speak fluently
AI PronunciationScore every sentence
IPA PracticeMaster every sound
VocabularyBuild your word bank
Vocab GameLearn while playing
Same Channel
C1TOEFL Listening Practice | Lecture | Wearable Computers
TOEFL PrepUniversity Students
C1TOEFL Listening Lecture | Ecosystems
TOEFL PrepUniversity Students
B12
English Conversations - Practical situations
Daily ConversationWorking Adults
B21
TOEFL Listening Practice | Choose a Response Practice with Answers
TOEFL PrepUniversity Students
C13
TOEFL Listening Lecture | Machine Learning
TOEFL PrepUniversity StudentsWorking Adults
C14
TOEFL Listening Practice | Lecture | The Warrior Gene (M.A.O.A.)
IELTS PrepTOEFL PrepUniversity Students
B12
TOEFL Listening Practice | Conversation #28 | Student Orientation
TOEFL PrepUniversity Students
B27
TOEFL Listening: Are You Ready for the New Announcements?
TOEFL PrepUniversity Students
B23
TOEFL Listening Practice | Lecture | Arachnophobia
TOEFL PrepUniversity Students
B24
TOEFL Listening Practice | Academic Talk | 2026
TOEFL PrepUniversity Students
C13
TOEFL Listening Practice 2026 4 Academic Talks Answer Key
TOEFL PrepUniversity StudentsWorking Adults
FOR YOU
Recommend Video
C14
42 sentences
Are We Eating Better – C1 English Listening Test
IELTS PrepTOEFL PrepUniversity Students
C13
31 sentences
CET-6 Listening Lectures: The Decoy Effect and the Hawthorne Studies
American AccentBritish AccentTOEFL PrepCET-4/6 PrepBusiness English
![[2026] TOEFL iBT Speaking Take an Interview | Step-by-Step Strategies #0008](https://img.youtube.com/vi/Bo4ARkCDQLk/mqdefault.jpg)
C12
160 sentences
[2026] TOEFL iBT Speaking Take an Interview | Step-by-Step Strategies #0008
TOEFL PrepBusiness EnglishInterview English
B212
30 sentences
TOEFL Campus Conversation: Changing My Major at the Advisor's Office
American AccentTOEFL PrepUniversity Students
C110
55 sentences
Nanotechnology: technology on a small scale | IELTS LISTENING TEST | SECTION-4
IELTS PrepTOEFL PrepUniversity Students
C12
198 sentences
C1 Most Comprehensive Advanced Vocabulary for IELTS, TOEFL, and PTE Exams
IELTS PrepTOEFL PrepCambridge Exam Prep
C26
127 sentences
تعلم اللغة الانجليزية من القصص مستوى C1-C2 | نص اكاديمي ايلتس توفل
IELTS PrepTOEFL PrepUniversity Students
C12
311 sentences
Eco 155: Principles of Macroeconomics Class 1
IELTS PrepTOEFL PrepCambridge Exam Prep
C1295 sentences
OET LISTENING TEST 30.09.2026 #oet #oetexam #oetnursing #oetlisteningtest
IELTS PrepTOEFL PrepCambridge Exam Prep
B21
458 sentences
Как набрать больше 100 баллов TOEFL без особых усилий
TOEFL PrepUniversity Students
Why Practice Speaking with This Video?
This video is a goldmine for English learners aiming to boost their speaking skills, especially for tests like IELTS. It features academic talks—realistic, structured, and packed with complex ideas—mirroring the kind of shadow speech practice you need to master. By shadowing the speaker, you’ll train your brain to process and reproduce fluent, natural language in real time. The varied topics (microbiology, economics, biology, astronomy) expose you to diverse vocabulary, helping you build flexibility. Plus, the conversational pauses and transitions let you practice pacing, a key skill for IELTS speaking practice.
Grammar & Expressions in Context
The speaker uses several high-value structures worth noting:
- "Far from being...": This phrase contrasts expectations with reality (e.g., "Far from being parasites..."). It’s perfect for adding nuance in arguments, a must for IELTS speaking.
- "Account for only about...": Used to explain proportions (e.g., "visible matter... accounts for only about 5%"). Great for describing data or trends clearly.
- "Analogous to...": Compares two concepts (e.g., "behavior analogous to different radio frequencies"). It shows advanced vocabulary and critical thinking.
Practicing these with the shadowing technique will make them second nature.
Common Pronunciation Traps
Watch out for these tricky words in the video:
- "Microbiome": Pronounced /ˌmaɪkroʊˈbaɪoʊm/—don’t rush the "o" sounds. Shadowing it slowly helps lock in the rhythm.
- "Echolocation": Stress the second syllable (/ˌɛkoʊloʊˈkeɪʃn/)—many learners misplace the stress. Use a shadowing site to compare your pronunciation.
- "Neuroscience": /ˌnʊroʊˈsaɪəns/—the "eu" sound is short, not long. Listen closely to the speaker’s crisp delivery.
These traps are common in academic English, so mastering them with shadow speech will boost your clarity and confidence.
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Present perfect have/has + past participle — a past action that still matters now | has been · have found · have been linked |
| Passive voice be + past participle — the focus is on what happens, not who does it | have been linked · is riddled · are enrolled |
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.