NewsPronto

 
Men's Weekly

.

USA Conversation

The Conversation USA

The Conversation USA

Deer have antlers, walruses have tusks – here’s why so few birds have weapons of their own

  • Written by Alexandre V. Palaoro, Post-doctoral Fellow in Materials Sciences & Engineering, Clemson University
imageThere's plenty of aggression in the bird world, but little armed violence.Velvet Shearer, USFWS/Flickr, CC BY

Mating season in the animal kingdom can be dramatic, and sometimes violent. As an example, take deer clashing their antlers during the rut – nostrils flaring, hooves hammering the ground, grass flying everywhere, and that eerie...

Read more: Deer have antlers, walruses have tusks – here’s why so few birds have weapons of their own

More Articles ...

  1. SEC will consider climate disclosure rules for US companies on March 21 – it's already facing threats of lawsuits
  2. Battles over book bans reflect conflicts from the 1980s
  3. Russia is blocking Security Council action on the Ukraine war – but the UN is still the only international peace forum
  4. How do Russia's reasons for war stack up? An expert on 'just war' explains
  5. Russian troops fought for control of a nuclear power plant in Ukraine – a safety expert explains how warfare and nuclear power are a volatile combination
  6. Meet Russia’s oligarchs, a group of men who won't be toppling Putin anytime soon
  7. Economic sanctions may deal fatal blow to Russia's already-weak domestic opposition
  8. How Zelenskyy emerged as the antithesis of Putin and proved you don't need to be a strongman to be a great leader
  9. Hambruna, subyugación y desastre nuclear: cómo la experiencia soviética sembró el resentimiento de los ucranianos hacia Rusia
  10. How to responsibly donate to Ukrainian causes
  11. Indiana, Iowa and Texas advance anti-transgender agendas – part of a longtime strategy by conservatives to rally their base
  12. The sex of your cells matters when it comes to heart disease
  13. Women's History Month: 5 groundbreaking researchers who mapped the ocean floor, tested atomic theories, vanquished malaria and more
  14. Clarifying the CDC's COVID-19 quarantine and isolation guidelines – an infectious disease doc looks at the latest research
  15. Your chances of getting rid of student loan debt depend on who you are
  16. How a nondescript box has been saving lives during the pandemic – and revealing the power of grassroots innovation
  17. 3 reasons Belarus is helping Russia wage war against Ukraine
  18. Military action in radioactive Chernobyl could be dangerous for people and the environment
  19. Infants need lots of active movement and play – and there are simple ways to help them get it
  20. Surprise – your kids may be nervous about ditching the mask
  21. What's behind the obsession over whether Elizabeth Holmes intentionally lowered her voice?
  22. FIFA's suspension of Russia is a rarity – but one that strips bare the idea that sport can be apolitical
  23. Students with disabilities are not getting help to address lost opportunities
  24. Shell, BP and ExxonMobil have done business in Russia for decades – here's why they're leaving now
  25. War in Ukraine is changing energy geopolitics
  26. Skateboarding's spiritual side -- skaters find meaning in falls and breaking the monotony of urban life
  27. ¿Qué tiene que ver el cambio climático y las tormentas de nieve que experimenta EEUU?
  28. Sharing top-secret intelligence with the public is unusual – but helped the US rally the world against Russian aggression
  29. The US is boosting aid to Ukraine: 4 questions answered
  30. Russia's invasion of Ukraine has Kremlin battling for hearts and minds at home
  31. Holy wars: How a cathedral of guns and glory symbolizes Putin’s Russia
  32. Solar storms can destroy satellites with ease – a space weather expert explains the science
  33. Why your kid won't put down the smartphone – it's not your fault
  34. 'Freedom will triumph over tyranny': Biden's first State of the Union echoes themes from the Cold War
  35. Why Zelenskyy’s ‘selfie videos’ are helping Ukraine win the PR war against Russia
  36. What the Montreux Convention is, and what it means for the Ukraine war
  37. The power to save the planet is inside us all – how to get past despair to powerful action on climate change
  38. Intelligence, information warfare, cyber warfare, electronic warfare – what they are and how Russia is using them in Ukraine
  39. College could take place in the metaverse, but these problems must be overcome first
  40. 1 in 10 Americans say they don't eat meat – a growing share of the population
  41. US Climate risks are rising – a scientist looks at the dangers her children will have to adapt to, from wildfires to water scarcity
  42. Can wealthy nations stop buying Russian oil?
  43. Putin is on a quest for historical significance by invading Ukraine and gambling on his own and Russia's glory
  44. An asteroid impact could wipe out an entire city – a space security expert explains NASA's plans to prevent a potential catastrophe
  45. The tech industry talks about boosting diversity, but research shows little improvement
  46. Why translating 'God's law' to government law isn't easy
  47. What you eat can reprogram your genes – an expert explains the emerging science of nutrigenomics
  48. A rocket crashes into the Moon – the accidental experiment will shed light on the physics of impacts in space
  49. A rocket is going to crash into the Moon – the accidental experiment will shed light on the physics of impacts in space
  50. Ordinary Russians are already feeling the economic pain of sanctions over Ukraine invasion