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Why Video Works: The Science Behind Better Video Marketing

In science, technology, and healthcare, effective communication can mean the difference between a prospect’s confidence and confusion. Whatever your product, clarity and credibility are everything.

That’s why video has become one of the most effective marketing tools available today. It's not just a trend. Video is a scientifically proven way to capture attention, build trust, and drive action. When used strategically, it can elevate your brand, clarify your message, and convert highly educated audiences in ways static content simply can’t.

Let’s explore why video works so well and how to use it to connect with your target audience.

Why Video Works: The Science Behind the Strategy

Video’s effectiveness isn’t a matter of opinion; it’s rooted in how the human brain is wired to absorb and respond to information. In scientific and technical fields, where audiences are often time-poor and detail-focused, video offers a uniquely powerful way to communicate with clarity and impact. It delivers messages that are not only more engaging, but also more memorable and persuasive. Here’s a closer look at the science that explains why video works so well, and how it can be applied to smarter, more effective marketing.

The Brain Is Hardwired for Video

Humans are visual creatures. In fact, our brains process visuals faster than text, which explains why videos grab attention so effectively. Video ads activate the visual cortex (for imagery) and the prefrontal cortex (for decision-making), making them uniquely capable of sparking both awareness and action.

What this means for marketers:

  • Video grabs attention faster than static images or copy.
  • It triggers the brain’s decision-making centers, increasing the likelihood of conversions.
  • Your audience is more likely to understand and remember your message.

Video Creates Emotional Impact

We often think B2B marketing is purely logical. But even the most analytical buyer makes emotionally driven decisions; they just justify them with logic later. Video excels at tapping into this emotional layer. It activates the limbic system, our brain’s emotional processing center, much more than text or images.
Research shows that emotionally resonant videos lead to higher engagement and brand recall, even several days after viewing. This is due to the use of elements like music, facial expressions, and storytelling.

What this means for marketers:

  • Videos that evoke emotion (awe, curiosity, empathy) drive deeper engagement.
  • Emotional resonance increases message retention and the likelihood of follow-up action.
  • Emotionally powerful campaigns, like healthcare testimonials or patient stories, are especially effective.

Video Enhances Memory and Learning

The average person remembers just 10% of what they read but 95% of a message when they watch it in a video. This is because video engages multiple senses at once, activating more areas of the brain, leading to better neural encoding and long-term recall.

What this means for marketers:

  • Video helps your message “stick,” especially when explaining complex scientific or technical topics.
  • Multi-sensory experiences make educational content (like how-to guides or process explainers) far more effective.
  • Consider using animation or motion graphics to break down dense material.

Video Builds Trust and Credibility

Trust is essential in healthcare, science, and technology, especially when buyers are evaluating vendors. Video humanizes your brand. Seeing real people on screen builds authenticity and fosters confidence.
Video creates trust faster than almost any other medium. That’s why testimonial videos, behind-the-scenes footage, and founder stories are so persuasive.

What this means for marketers:

  • People trust people, not faceless brands. Video puts a human face on your expertise.
  • Testimonials and expert interviews drive credibility and help move buyers through the funnel.
  • Videos that feel natural, clear, and consistent with your brand are key to building long-term trust.

Video Drives Shares, SEO, and Conversions

Videos don’t just engage, they get shared. Social video generates more shares than text and images combined. It also performs incredibly well in search. Pages with video tend to rank higher on Google because they signal quality, relevance, and user engagement.

Key stats:

  • 88% of people say they’ve been convinced to buy a product after watching a video.
  • Landing pages with video can increase conversions by up to 80%.
  • Just adding the word “video” to an email subject line can boost open rates by 19%.

What this means for marketers:

  • Video improves search rankings and organic visibility.
  • It's a powerful tool for lead generation and sales enablement.
  • Social proof in video format (likes, shares, comments) enhances brand credibility and reach.

How to Use Video Effectively in Science, Tech, and Healthcare

Knowing that video works is only half the equation, using it effectively is where the real impact happens. Your audience expects accuracy, clarity, and professionalism. A good video not only informs but builds trust, simplifies complexity, and drives action. To achieve that, you need more than just compelling visuals, you need strategy. The following tips will help you plan and produce videos that resonate with your audience and deliver measurable results.

Understand Your Audience’s Pain Points

Start with a deep understanding of your audience, whether that’s lab managers, clinicians, engineers, or procurement officers. Ask:

  • What problems are they trying to solve?
  • What hesitations might they have?
  • What kind of information helps them feel confident?

Use video to show how your solution directly addresses those issues, whether that’s reducing downtime, improving outcomes, or enabling innovation.

Create the Right Types of Video for Your Goals

Different types of video suit different stages of the buyer’s journey:


Don’t Wing It, Script for Clarity

Even if the video is meant to feel casual, a well-crafted script is essential. Your messaging needs to be:

  • Clear and structured
  • Jargon-free (unless speaking to a highly technical audience)
  • Focused on benefits, not just features

Start with a strong hook, then build a narrative that holds attention and closes with a clear call to action.

Use the Right Spokesperson

The ideal presenter is someone who’s:

  • Comfortable on camera
  • Knowledgeable about the subject
  • Relatable to your audience

If that’s not you, consider using a colleague or even a professional narrator. Just make sure the tone is natural and confident.

Incorporate Strong Visuals

Science and tech marketers have a unique advantage: your work often involves data, processes, or devices that can be shown. Use that.

  • Add animations or motion graphics to explain systems or workflows.
  • Overlay charts and graphs to reinforce claims.
  • Avoid too much “talking head”,mix in visuals to maintain interest.

Edit with Purpose and Keep It Concise

Good editing:

  • Keeps the story flowing logically
  • Eliminates filler and distractions
  • Adds branding, subtitles, and call-to-action overlays

Aim to keep your core message under 3–5 minutes, and front-load the most important content. For social media, even 30–60 seconds can be highly effective.

Distribute Wisely Across Channels

Once created, videos can (and should) be used across multiple touchpoints:

  • Website landing pages
  • Email campaigns
  • Webinars
  • Social media (LinkedIn, Twitter/X, YouTube, Instagram)
  • Sales decks and proposals

Tailor the format and length to the platform. For example:

  • Vertical videos work well on Instagram Stories.
  • YouTube favors longer educational content.
  • LinkedIn thrives on thought leadership and testimonials.

Looking Ahead: The Future of Video Marketing

By 2026, video is expected to account for more than 82% of all consumer internet traffic. And audiences are only growing more selective. The future of video is personalized, human-centered, and story-driven.

The most effective videos moving forward will:

  • Tell authentic, compelling stories
  • Feature real people and real experiences
  • Be crafted for specific audience segments
  • Deliver value, not just promotion

Want to Create Video That Truly Connects?

At AZoNetwork, we specialize in helping science, technology, and healthcare brands harness the full power of video. Whether you need a brand film, product demo, explainer, or testimonial series, we tailor each video to your goals, audience, and message.

With deep industry knowledge and an expert production team, we create videos that are clear, credible, and compelling, so your message isn’t just seen, but remembered and acted on.

Ready to show the world your best?

Plan your Video Strategy

Posted by Eden Cardwell-Lison

With a background in Genetics, Eden discovered her true passion for science communication while at university. Over the past four years, she has dedicated herself to helping clients amplify their voices, connect with the right audiences, and boost their online presence. Outside of work, Eden enjoys board games, musical theatre and costume design.

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