# Biology 1,649 courses and talks. - [My stroke of insight](https://invisiblenetwork.ai/learn/ted/jill_bolte_taylor_my_stroke_of_insight): Jill Bolte Taylor · TED - [How I held my breath for 17 minutes](https://invisiblenetwork.ai/learn/ted/david_blaine_how_i_held_my_breath_for_17_minutes): David Blaine · TED - [What is depression?](https://invisiblenetwork.ai/learn/ted/helen_m_farrell_what_is_depression): Helen M. Farrell · TED - [How to stay calm when you know you'll be stressed](https://invisiblenetwork.ai/learn/ted/daniel_levitin_how_to_stay_calm_when_you_know_you_ll_be_stressed): Daniel Levitin · TED - [Sleep is your superpower](https://invisiblenetwork.ai/learn/ted/matt_walker_sleep_is_your_superpower): Matt Walker · TED - [A simple way to break a bad habit](https://invisiblenetwork.ai/learn/ted/judson_brewer_a_simple_way_to_break_a_bad_habit): Judson Brewer · TED - [What would happen if you didn't drink water?](https://invisiblenetwork.ai/learn/ted/mia_nacamulli_what_would_happen_if_you_didn_t_drink_water): Mia Nacamulli · TED - [What makes muscles grow?](https://invisiblenetwork.ai/learn/ted/jeffrey_siegel_what_makes_muscles_grow): Jeffrey Siegel · TED - [What are those floaty things in your eye?](https://invisiblenetwork.ai/learn/ted/michael_mauser_what_are_those_floaty_things_in_your_eye): Michael Mauser · TED - [How the food you eat affects your brain](https://invisiblenetwork.ai/learn/ted/mia_nacamulli_how_the_food_you_eat_affects_your_brain): Mia Nacamulli · TED - [The surprising science of happiness](https://invisiblenetwork.ai/learn/ted/dan_gilbert_the_surprising_science_of_happiness): Dan Gilbert · TED - [The benefits of a bilingual brain](https://invisiblenetwork.ai/learn/ted/mia_nacamulli_the_benefits_of_a_bilingual_brain): Mia Nacamulli · TED - [The brain-changing benefits of exercise](https://invisiblenetwork.ai/learn/ted/wendy_suzuki_the_brain_changing_benefits_of_exercise): Wendy Suzuki · TED - [How do cigarettes affect the body?](https://invisiblenetwork.ai/learn/ted/krishna_sudhir_how_do_cigarettes_affect_the_body): Krishna Sudhir · TED - [Why do women have periods?](https://invisiblenetwork.ai/learn/ted/ted_ed_why_do_women_have_periods): TED-Ed · TED - [What would happen if you didn't sleep?](https://invisiblenetwork.ai/learn/ted/claudia_aguirre_what_would_happen_if_you_didn_t_sleep): Claudia Aguirre · TED - [Underwater astonishments](https://invisiblenetwork.ai/learn/ted/david_gallo_underwater_astonishments): David Gallo · TED - [Your brain hallucinates your conscious reality](https://invisiblenetwork.ai/learn/ted/anil_seth_your_brain_hallucinates_your_conscious_reality): Anil Seth · TED - [You can grow new brain cells. Here's how](https://invisiblenetwork.ai/learn/ted/sandrine_thuret_you_can_grow_new_brain_cells_here_s_how): Sandrine Thuret · TED - [Why do cats act so weird?](https://invisiblenetwork.ai/learn/ted/tony_buffington_why_do_cats_act_so_weird): Tony Buffington · TED - [What causes dandruff, and how do you get rid of it?](https://invisiblenetwork.ai/learn/ted/thomas_l_dawson_what_causes_dandruff_and_how_do_you_get_rid_of_it): Thomas L. Dawson · TED - [Questioning the universe](https://invisiblenetwork.ai/learn/ted/stephen_hawking_questioning_the_universe): Stephen Hawking · TED - [How to control someone else's arm with your brain](https://invisiblenetwork.ai/learn/ted/greg_gage_how_to_control_someone_else_s_arm_with_your_brain): Greg Gage · TED - [How stretching actually changes your muscles](https://invisiblenetwork.ai/learn/ted/malachy_mchugh_how_stretching_actually_changes_your_muscles): Malachy McHugh · TED - [Why we love, why we cheat](https://invisiblenetwork.ai/learn/ted/helen_fisher_why_we_love_why_we_cheat): Helen Fisher · TED - [The surprising effects of pregnancy](https://invisiblenetwork.ai/learn/ted/ted_ed_the_surprising_effects_of_pregnancy): TED-Ed · TED - [The loathsome lethal mosquito](https://invisiblenetwork.ai/learn/ted/rose_eveleth_the_loathsome_lethal_mosquito): Rose Eveleth · TED - [Why are some people left-handed?](https://invisiblenetwork.ai/learn/ted/daniel_m_abrams_why_are_some_people_left_handed): Daniel M. Abrams · TED - [The habits of happiness](https://invisiblenetwork.ai/learn/ted/matthieu_ricard_the_habits_of_happiness): Matthieu Ricard · TED - [What explains the rise of humans?](https://invisiblenetwork.ai/learn/ted/yuval_noah_harari_what_explains_the_rise_of_humans): Yuval Noah Harari · TED - [How does alcohol make you drunk?](https://invisiblenetwork.ai/learn/ted/judy_grisel_how_does_alcohol_make_you_drunk): Judy Grisel · TED - [Are athletes really getting faster, better, stronger?](https://invisiblenetwork.ai/learn/ted/david_epstein_are_athletes_really_getting_faster_better_stronger): David Epstein · TED - [What hallucination reveals about our minds](https://invisiblenetwork.ai/learn/ted/oliver_sacks_what_hallucination_reveals_about_our_minds): Oliver Sacks · TED - [How tsunamis work](https://invisiblenetwork.ai/learn/ted/alex_gendler_how_tsunamis_work): Alex Gendler · TED - [What happens during a heart attack?](https://invisiblenetwork.ai/learn/ted/krishna_sudhir_what_happens_during_a_heart_attack): Krishna Sudhir · TED - [Why do we sleep?](https://invisiblenetwork.ai/learn/ted/russell_foster_why_do_we_sleep): Russell Foster · TED - [How to fight desertification and reverse climate change](https://invisiblenetwork.ai/learn/ted/allan_savory_how_to_fight_desertification_and_reverse_climate_change): Allan Savory · TED - [6 ways mushrooms can save the world](https://invisiblenetwork.ai/learn/ted/paul_stamets_6_ways_mushrooms_can_save_the_world): Paul Stamets · TED - [What you can do to prevent Alzheimer's](https://invisiblenetwork.ai/learn/ted/lisa_genova_what_you_can_do_to_prevent_alzheimer_s): Lisa Genova · TED - [Why is it so dangerous to step on a rusty nail?](https://invisiblenetwork.ai/learn/ted/louise_thwaites_why_is_it_so_dangerous_to_step_on_a_rusty_nail): Louise Thwaites · TED - [The benefits of a good night's sleep](https://invisiblenetwork.ai/learn/ted/shai_marcu_the_benefits_of_a_good_night_s_sleep): Shai Marcu · TED - [The game that can give you 10 extra years of life](https://invisiblenetwork.ai/learn/ted/jane_mcgonigal_the_game_that_can_give_you_10_extra_years_of_life): Jane McGonigal · TED - [What causes headaches?](https://invisiblenetwork.ai/learn/ted/dan_kwartler_what_causes_headaches): Dan Kwartler · TED - [The new era of positive psychology](https://invisiblenetwork.ai/learn/ted/martin_seligman_the_new_era_of_positive_psychology): Martin Seligman · TED - [What's that ringing in your ears?](https://invisiblenetwork.ai/learn/ted/marc_fagelson_what_s_that_ringing_in_your_ears): Marc Fagelson · TED - [How the food you eat affects your gut](https://invisiblenetwork.ai/learn/ted/shilpa_ravella_how_the_food_you_eat_affects_your_gut): Shilpa Ravella · TED - [Science can answer moral questions](https://invisiblenetwork.ai/learn/ted/sam_harris_science_can_answer_moral_questions): Sam Harris · TED - [How do carbohydrates impact your health?](https://invisiblenetwork.ai/learn/ted/richard_j_wood_how_do_carbohydrates_impact_your_health): Richard J. Wood · TED [Next page](https://invisiblenetwork.ai/learn/browse?subject=biology&page=2)